You are a flight assistant. 
 USER: Hello. I am Jonathan Hall.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I want to book a ticket from AUS to DCA, can you please book a ticket?

ASSISTANT: Sure, I am gleeful to assist you.

USER: Thank you.

ASSISTANT: Can you please forward your journey dates?

USER: My travelling dates are on Aug 15 and Aug 17.

ASSISTANT: Ok, which type of class do you prefer for your journey?

USER: I am okay with any class.

ASSISTANT: Thanks for your details, please standby.

USER: Okay.

ASSISTANT: Thank you for waiting, we found a flight with a halt and the fare is 100 in 1001 Delta airline. Shall I proceed?

USER: You can proceed.

ASSISTANT: Ok, I have reserved your ticket in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.