Q: 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.
customer: Hi. I am Stephen Allen. 
 agent: Hello, how may I help you for the day? 
 customer: I want to book a flight ticket to Detroit to surprise my sister on her birthday. please help me with a connecting flight. 
 agent: Sure, please share your journey dates. 
 customer: My travelling dates are from 09/19 to 09/21. 
 agent: Ok, may I know your airport codes? 
 customer: I want to fly from BOS to DTW. 
 agent: Ok, please wait. 
 customer: Ok. 
 agent: Thank you for waiting, we found a flight with 1007 number and the fare is 100 found in JetBlue airline. 
 customer: Please go with booking. 
 agent: Ok, your ticket has been confirmed. 
 __ 
 agent: Thank you for choosing us.
A:
customer: Thank you for the reservation.