You will be given a definition of a task first, then an example. Follow the example to solve a new instance 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: 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.
Why? 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

New input: customer: Hello. 
 agent: Hello, how can I aid you today? 
 customer: I would like to reserve my ticket from DCA to ATL. Can you please help me with booking a flight ticket? 
 agent: Sure, I am glad to help you. May I know your journey dates please? 
 customer: My planned Journey dates are from Dec 11 and Dec 13. 
 agent: Ok, please share your class preference. 
 customer: I always prefer economy class. 
 agent: Do you have any other specifications to meet? 
 customer: I need a single connecting flight in my journey. 
 __ 
 customer: Sure, you can book this ticket in the name of Rachel Lewis. 
 agent: Ok, please wait. 
 customer: Sure, I will wait. 
 agent: Thanks for your time, we found a connecting flight with a fare of 200 in 1014 JetBlue Airline. Shall I proceed? 
 customer: That's fine for me, please proceed with that flight ticket booking. 
 agent: Ok, I have confirmed your booking in economy class. 
 customer: Thank you for helping me. 
 agent: Thank you for choosing us.
Solution:
agent: To proceed further, we need your name.