In this task, you're given a dialogue between a customer and a flight booking agent with a gap in the conversation. Your job is to find the answer of the previous dialogue. Avoid using irrelevant extra information while creating the answer. The answer should be relevant to the question before the blank. If you fill the blank with a question, it should have an answer from the agent in the given dialogue. Fill the gap marked with underline.

[EX Q]: customer: Hello. 
 agent: Hello. How may I aid you? 
 customer: Myself Sandra Mitchell, I need to change my existing booking. 
 agent: Sure, I can help you to change the details. 
 customer: Thank you. 
 agent: May I know your name to check the ticket status? 
 customer: Sandra Mitchell here. 
 agent: Ok, please give me a minute. 
 customer: Sure, take your time. 
 agent: I have found your existing reservation. Can you please tell me your airport codes? 
 customer: ATL and LGA are the airport codes. 
 agent: Ok, can you please tell me your changed travel dates? 
 customer: February 16 and 18 are the travel dates. 
 __ 
 customer: Great! Please book this ticket. 
 agent: Ok, I have changed the details and  booked a new ticket with the flight number 1000. Have a safe flight. 
 customer: Thank you for the assistance. 
 agent: You are most welcome. Thank you for reaching us.
[EX A]: agent: There is a flight in the UA airlines with the connection limit 1 and the ticket fare is 200. Can I proceed with this flight?

[EX Q]: customer: Hello. I am Stephen Mitchell. 
 agent: Hello, how may I assist you? 
 customer: I need to book a flight ticket from SEA to EWR, can you please help me for booking? 
 agent: Sure. May I know your depart and arrival dates? 
 __ 
 agent: How much you can afford for this journey? 
 customer: I can pay up to 200. 
 agent: Please, wait for a while. 
 customer: Sure. 
 agent: There is a flight with airline: UA, flight number:1023, price 100, 1 connection. Shall I proceed? 
 customer: Ok, proceed for booking. 
 agent: Your ticket has been confirmed. 
 customer: Thanks for your information. 
 agent: Thank you.
[EX A]: customer: I would like to travel on 10/19 to 10/21.

[EX Q]: customer: Hello. 
 agent: Hello, what can I aid you at this moment? 
 customer: I am Donald Baker from Denver. I want to go to New York next week, can you please book a flight ticket for me on 04/29? 
 agent: I am glad to help you about your flight ticket booking Baker. Can you please provide your respective location codes of journey? 
 customer: Thank you, I want to take off from DEN and destination airport is LGA. 
 agent: Would you like to have a return journey? If so please provide your return date. 
 customer: Yes, please book my return ticket also on 05/01. 
 agent: Hold on for sometime. 
 customer: Ok. 
 agent: There is a flight with single stopover having a ticket fare of 300 which is provided by AA airlines. Would you like to book this flight ticket? 
 customer: Please proceed. 
 __ 
 customer: Thank you for your help. 
 agent: Most welcome, thank you for employing our service. Have a safe journey.
[EX A]:
agent: I have booked your flight ticket with flight 1006 in an economy class.

