Teacher: 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.
Teacher: Now, understand the problem? If you are still confused, see the following example:
customer: Hello. 
 agent: Hello. How may I help you? 
 customer: I would like to do some changes in  my existing reservation, can you please help me out? 
 agent: Sure, I will help you in booking. May I know your name to proceed further? 
 __ 
 agent: Alexander Hernandez, regret to inform that there is no active reservation found under your name to amend. 
 customer: That's ok, no problem. Thank you for the information. 
 agent: Thank you for reaching us.
Solution: customer: Sure, myself Alexander Hernandez.
Reason: This is pretty forward, based on the answer after the blank, the answer would be to know the name of the person, and the name is mentioned in the next dialogue to the blank

Now, solve this instance: customer: Hello. Brian Young this side. 
 agent: Hello, how may I help you? 
 customer: I was looking for a flight for visiting an old friend in Boston BOS, can you help me? 
 agent: Sure, can you please specify your dates of journey? 
 customer: My trip will be starting from 06/05 to 06/07. 
 agent: Ok, may I know your source airport code please? 
 customer: My source airport code is PHL. 
 agent: I found a ticket with connections limit is 1 of cost 100 as per your request.Shall I book this ticket? 
 __ 
 agent: Your ticket has been reserved with airline UA and flight number is 1004. 
 customer: Thank you for assisting me with my booking. 
 agent: You are welcome and have a happy journey. 
 customer: You are most welcome.
Student:
customer: Ok, please book my reservation.