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.
Input: customer: Hello,. This is Shirley Scott, from Austin. 
 agent: Hello, how can I assist you? 
 customer:  I want to participate in the multi-car 50 mile canyon road test drive, which is going to be held at Denver. Can you help me out in booking a ticket? 
 agent: Sure, I am here to help you. 
 customer: Thank you. 
 agent: Can I know when you are willing to travel? 
 customer: I want to travel on 01/27, and need to catch return flight on 01/29. 
 agent: Ok, please help me with your airport codes. 
 customer: I need to leave from my nearest airport AUS to reach DEN. 
 agent: Do you need any halt in between your journey? 
 customer: Yes, I need a halt. 
 agent: Please wait a minute. 
 customer: Sure. 
 agent: Thank you for waiting, we found a light with number 1023 and airline Spirit at a price of 200 with 1 connection. Shall I proceed? 
 customer: Proceed with the booking. 
 __ 
 customer: Thanks for the help. 
 agent: Thank you for reaching us, have a nice day.
Output:
agent: Sure, your booking is done.