You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I want to book a flight ticket from DEN to PHX. Could you help me in booking?

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are from Feb 28 - Mar 01.

ASSISTANT: Do you have any preferences?

USER: I prefer for connecting flight with economy class.

ASSISTANT: May I know your name please? There is a direct flight available with Hawaiian airline, shall I proceed?

USER: Brenda Smith. Yes, Please proceed.

ASSISTANT: Your booking is done with flight number 1016. Happy journey.

USER: Thank you.

ASSISTANT: You are welcome, have a nice day.