You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you?

USER: I am Donald Clark. Can you help me in booking a flight ticket from PHX to CLT?

ASSISTANT: Sure, can I have your travelling dates?

USER: I want to travel on 02/27, and need to catch return flight on 02/29.

ASSISTANT: Do you have any requirements?

USER: I need a connecting flight.

ASSISTANT: Flight 1025 of UA airline is available for you, can I proceed?

USER: Proceed with the booking.

ASSISTANT: Your booking is done with connecting flight.

USER: Thanks for the help.

ASSISTANT: Welcome.