You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I would like to travel from AUS to IAH as a holiday trip. Can you do the reservation?

ASSISTANT: Sure, please share me your trip dates.

USER: My journey dates are 11/08 and 11/10.

ASSISTANT: Is there any class preferences for you?

USER: I am comfortable with any class.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need break in my journey.

ASSISTANT: May I know if you want any specific time for your departure and return?

USER: My departure time is evening.

ASSISTANT: For booking we need your name, please provide it.

USER: Jason Johnson here.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: No problem,Thanks for the information.

ASSISTANT: Thank you for availing us.