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. 
 agent: Hello. How can I assist you at this moment? 
 customer: I am a politician, I have to meet Donald Trump at Washington DC. So please book my ticket from Dallas. 
 agent: Sure, I will help you in booking the ticket. Can you please provide your journey dates? 
 __ 
 agent: May I know your nearest airport codes of journey please? 
 customer: My genesis and terminus airport codes are DFW and IAD. 
 agent: Spirit airlines is providing service on this route with a ticket fare of 200 and 1 stop over, shall I book your ticket? 
 customer: Please book the ticket in the name of Nicholas Rodriguez. 
 agent: Nicholas Rodriguez, your ticket is booked with flight number 1004. 
 customer: Thank you. 
 agent: Thank you and have a safe journey.
Student:
customer: My itinerary dates are 04/27 and 04/29.