You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you?

USER: I am Susan Evans, want to travel from LGA to DCA. Please help me in booking my ticket.

ASSISTANT: Sure, may I know your planned journey dates please?

USER: My travelling dates are from 12/07 to 12/09. Please check a direct flight for me to travel.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your waiting, I found a flight for you in AA airlines with price 100. Can I book your ticket?

USER: Yes, please book it for me.

ASSISTANT: Ok, your booking is confirmed with flight number 1006.

USER: Thank you.

ASSISTANT: Thank you for choosing us.