You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Charles Mitchell. Can you please help me to book a ticket with the fare of 200 to meet my old friends?

ASSISTANT: Sure, let me know your airport codes?

USER: My airport codes are from IAD to ATL.

ASSISTANT: Please provide your travelling dates?

USER: I have planned to travel on 01/31 and 02/02.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, we found a flight with single connection and price is 200 of 1020 flight. Shall I proceed?

USER: Yes, Please book this ticket.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.