You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I would like to reserve my ticket from PHX to AUS. Can you please help me with booking a flight ticket?

ASSISTANT: Sure, I can help you with that. May I know your travel dates please?

USER: My planned journey dates are from Apr 25 to Apr 27.

ASSISTANT: Do you need break in between your journey?

USER: I need a break in between my journey.

ASSISTANT: Please let me know if you have any other specifications.

USER: I would like to return in the evening time only.

ASSISTANT: Can I have your good name please?

USER: Myself Carol Robinson.

ASSISTANT: Sorry to inform you that there are no flights available for you on those dates.

USER: That's ok, anyway thank you for your service.

ASSISTANT: Thank you for choosing us.