You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Brian Turner, want to travel from IAD to CLT.

ASSISTANT: Sure, can I know your preferable dates?

USER: My travelling dates are from 12/17 to 12/19.

ASSISTANT: I found a flight from Delta airlines and flight number is 1006 with 1 connection. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.