You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Please reserve me a flight ticket from PHX to AUS.

ASSISTANT: Sure, we are happy to help you. Can I have your travelling dates?

USER: My travel dates are May 19 and May 21.

ASSISTANT: Do you have any break in between journey?

USER: I prefer direct flight for this trip.

ASSISTANT: Is there any other specifications for you?

USER: No.

ASSISTANT: May I know your good name?

USER: I am Cynthia Garcia.

ASSISTANT: Sorry, no flights are available on your journey routes.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.