You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what sort of help are you seeking from us?

USER: I would like to visit the Lincoln Memorial at Washington, IAD. Can you book a ticket on May 09 and return on May 11?

ASSISTANT: Sure, I am happy to help you.

USER: Thank you.

ASSISTANT: Let me know your source airport code.

USER: My source is from JFK.

ASSISTANT: Ok, please mention your budget.

USER: I can afford up to 5000 for a ticket.

ASSISTANT: Can I have your name please?

USER: My name is Emily Moore.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a connecting flight with 1013 number and the fare is 200. Shall I proceed?

USER: Yes, proceed.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.