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.
Input: customer: Hello. 
 agent: Hello, how can I help you? 
 customer: Can you help me to book a flight ticket from PHX to ATL? 
 agent: May I know your desired travel dates please? 
 customer: Ok, please can you book a flight ticket for the dates Dec 15 and Dec 17 respectively? 
 agent: Do you prefer a direct flight or connecting flight? 
 customer: Ok, please book a connecting flight. 
 agent: May I know your name please? 
 customer: My name is Mary Miller. 
 agent: There is a flight with connection limit 1 and fare 100, shall I proceed for booking? 
 __ 
 agent: Your ticket is booked, flight number 1004 with Spirit Airlines. 
 customer: Ok, that is good to know. Thank you for assisting me. 
 agent: Thank you for opting us.
Output:
customer: Yes, please book.