You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I need to book a flight ticket from PHX to AUS, Can you please help me for booking?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: I would like to travel on 05/02 to return on 05/04.

ASSISTANT: May I know your preferable depart and return journey timings?

USER: I am comfortable with any timings.

ASSISTANT: Can I know your name?

USER: Larry Lewis here.

ASSISTANT: Any other specifications to be met?

USER: Yes, I need a economy class with connecting flight.

ASSISTANT: There is a United Airlines flight 1025 in economy class, can I proceed?

USER: Ok, proceed.

ASSISTANT: Your booking is done.

USER: Thanks for your information.

ASSISTANT: Welcome.