You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Alexander Jackson. I want to to book a flight ticket to Phoenix, PHX as I am planning to celebrate valentines day with my valentine. Please help me in booking from Dallas, DFW.

ASSISTANT: Sure, may I know your travel dates?

USER: Sure, My travelling dates are from 02/14 to 02/16.

ASSISTANT:  Do you have any connection limit?

USER: Yes, I need single connecting flight.

ASSISTANT: We found  a connecting flight Hawaiian with flight number 1002 and fare is 100.

USER: Ok, Book my ticket.

ASSISTANT:  Your booking is confirmed.

USER: Thank you.

ASSISTANT:  Thank you for availing us.