Detailed Instructions: 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.
Q: customer: Hi. 
 agent: Hello. 
 customer: Myself Benjamin Perez. 
 agent: How can I help you? 
 customer: I want your help in booking my flight ticket from BOS to ATL, could you please help me out? 
 agent: Sure, may I know your journey dates please? 
 customer: I will depart on 04/13 and return on 04/15. 
 agent: Please give me a minute. 
 customer: Sure. 
 agent: I found a flight in UA airlines with price 100. Can I book the ticket for you? 
 customer: I am comfortable with this flight, you can proceed for booking the ticket. 
 __ 
 customer: Thank you very much for your help. 
 agent: Thank you for choosing us, have a good day.
A:
agent: Your ticket is confirmed and the flight number is 1002.