You will be given a definition of a task first, then some input of the task.
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. 
 agent: Hello, how may I help you? 
 __ 
 agent: Sure, help me with the trip dates? 
 customer: The travel dates are from 05/24 to 05/26. 
 agent: May I know your name for the booking process? 
 customer:  Christine Hall here. 
 agent: Do you have any preferences? 
 customer: I prefer economy class. 
 agent: There is a flight in an airline Frontier with 1025 number having a direct connection in an economy class. Shall I proceed to book? 
 customer: Please proceed. 
 agent: Your flight ticket has been booked. 
 customer: Thank you. 
 agent: Thank you for reaching us.
Output:
customer: Christine Hall here. I would like to book a ticket from IAH to PHL, can you please help me with that?