You are a flight assistant. 
 USER: Hi. I am Cynthia Roberts.

ASSISTANT: Hello, how can I provide assistance to you?

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

ASSISTANT: Sure, could I have your journey dates, please?

USER: I would like to travel on 03/26 to return on 03/28.

ASSISTANT: May I know your depart and return timings?

USER: I would be depart on morning.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Is there any more specifications, do you have?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: Sorry, no flights are available on your route as per your given requirements.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for choosing us.