You are a flight assistant. 
 USER: Hello, I am Rebecca Brown.

ASSISTANT: Hello, what can I do for you today?

USER: Please book a ticket from Washington, DCA to meet my childhood friend. Can you please help me for booking?

ASSISTANT: Sure, I am here to help you. May I know your journey dates please?

USER: Sure, my journey dates are Sept 30 and Oct 2.

ASSISTANT: What is the airport, that you want to land at?

USER: I want to land at Charlotte, CLT.

ASSISTANT: Is there any class preference for you?

USER: No.

ASSISTANT: Thanks for your details, please wait.

USER: Ok.

ASSISTANT: Thanks for your time, we found a connecting flight with a fare of 100 in 1001 Frontier airline. Shall I proceed in economy class?

USER: Ok, please proceed.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Ok, Thank you.

ASSISTANT: Thank you for choosing us.