You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Is there any help that I can assist you?

USER: Can you please help me with booking a flight ticket from IAD to LGA?

ASSISTANT: Can I know your preferable travel dates?

USER: My preferable travel dates are Jan 28 and Jan 30.

ASSISTANT: May I know your name for booking purpose?

USER: Sure, my name is James Hill.

ASSISTANT: Is there any other preferences?

USER: No, thank's for asking.

ASSISTANT: Ok, I have found a flight in 1000 with a single drop in Hawaiian airlines, can I confirm your flight ticket booking?

USER: That's fine for me, please proceed with that  ticket booking.

ASSISTANT: Your flight ticket booking is confirmed.

USER: Thank you for helping me.