TASK DEFINITION: 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.
PROBLEM: customer: Hi. 
 agent: Hello, how may I aid you today? 
 customer: Catherine Anderson here. I would like to prefer a economy class for my business trip to New York. So can you book the flight ticket for me? 
 agent: Sure, please share me your source and destination airport codes. 
 customer: The airport codes are from HOU to EWR. 
 agent: May I know your travel dates? 
 customer: My travel dates are from 18 June to 20. 
 agent: Do you need any specifications? 
 __ 
 agent: Please share me your class preferences? 
 customer: I prefer a economy class. 
 agent: Please wait for a while. 
 customer: Sure. 
 agent: We found a Spirit airline and 1022 is flight number with a fare of 200. Shall I proceed? 
 customer: You can book the flight ticket. 
 agent: Your ticket is confirmed with an economy class. 
 customer: Thank you. 
 agent: Thank you for reaching us.

SOLUTION: customer: I need a single connecting flight.

PROBLEM: customer: Hello, I am Donna Anderson. 
 agent: Hello, how may I aid you at this moment? 
 customer: I would like to go to Space Needle in Seattle, so could you please book a ticket for me? 
 agent: Sure, I will help you. Can you please share your travelling dates? 
 customer: Sure, I would like to go on 12/02 and return back on 12/04. 
 agent: Please provide your nearby airport codes. 
 __ 
 agent: Noted. Please wait for a while. 
 customer: Ok, ensure it is a single connecting flight. 
 agent: There is a connecting flight available with UA airline, shall I book it? 
 customer: Ok, please proceed for further if it costs you below 1000. 
 agent: Your booking is done with flight number 1023. Happy journey. 
 customer: Thank you for booking. 
 agent: You are welcome. Thank you for reaching us, have a nice day. 
 customer: Welcome.

SOLUTION: customer: My source and destination airport codes are SFO and SEA.

PROBLEM: customer: Hello. 
 __ 
 customer: As I am a scientist, I want to attend science festival with my students at Denver. Can you do the reservation? 
 agent: Sure, I would be happy to help you. When you are willing to travel? 
 customer: Dates are 10/30 and 11/01. 
 agent: Can you please share me your journey locations? 
 customer: My airport codes are AUS-DEN. 
 agent: May I know your good name? 
 customer: Linda Miller here. 
 agent: Ok, wait for a while I will check the availability of flights and revert to you. 
 customer: Sure. 
 agent: We found direct flight with 1010 Hawaiian airlines with price 100. 
 customer: Please do the booking. 
 agent: Your booking has been confirmed. 
 customer: Thank you. 
 agent: Thank you for reaching us.

SOLUTION:
agent: Hello, how can I assist you today?

