You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: I want to travel from PHL to DCA. Can you book it for me?

ASSISTANT: May I know your travel dates?

USER: My travelling dates are 08/15 and 08/17.

ASSISTANT: Flight-1012 with Frontier airlines is available, shall I proceed for booking?

USER: Yes, book it for me.

ASSISTANT: Your ticket has been booked. May I know your name please?

USER: Myself Donald Harris. Thank you for the booking.

ASSISTANT: Thanks for reaching us.