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, I am Susan Thompson. 
 agent: Hello, how may I assist you? 
 customer: I want to visit 16th street mall at Denver, please book a connecting flight. 
 agent: Sure, may I know your price limit to book a ticket? 
 customer: I need the ticket within price 500. 
 agent: Ok, what dates you would like to travel? 
 __ 
 agent: May I know your airport codes? 
 customer: My origin airport code is TX- DFW and Dest airport code is CO- DEN. 
 agent: Ok, there is a flight 1004 in Southwest airline matching your requirements with price 300. Shall I proceed with this airline? 
 customer: Please proceed with booking. 
 agent: Ok, your ticket has been booked. 
 customer: Thank you for the reservation. 
 agent: Thanks for reaching us. Have a safe journey!.
[EX A]: customer: I want to fly on 12/28 and return on 12/30.

[EX Q]: customer: Hello, I am Nicole Moore. 
 agent: Hello, how may I help you? 
 customer: I would like to take a single connecting flight, so could you please help me out? 
 agent: Sure, can I know the airport abbreviations? 
 customer: My source and destination airport codes are LAX and PHL. 
 agent: Please share your journey dates. 
 customer: I would like to go on 12/26 and return back on 12/28. 
 agent: Sure, give me a moment. 
 customer: Ok. 
 agent: There is a flight available with Delta airlines, shall I book it? 
 customer: Ok, please proceed if it is a direct flight. 
 agent: Sorry, there is no direct flights available on your required dates. 
 customer: That's ok, I will reach my destination my other means of transportation. 
 __ 
 customer: Welcome.
[EX A]: agent: Ok, thank you for reaching us.

[EX Q]: customer: Hi. 
 agent: Hello. 
 customer: Melissa Garcia is here. 
 agent: How can I help you today? 
 customer: I have planned for a holiday trip with my colleagues, unfortunately my trip has been postponed due to some health issues.So I would like to alter my existing reservation. Can you please aid me in changing? 
 agent: Sure, I will help you with that, can I know your good name to proceed further? 
 customer: I already mentioned above. 
 agent: Sorry, no reservation is found on your name in our database. 
 __ 
 agent: Thank you for reaching us.
[EX A]:
customer: Ok, no problem. Thank you for your information.

