You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me in booking a flight ticket from Austin, AUS to reach Houston, HOU?

ASSISTANT: Sure, let me know your travelling dates?

USER: My travelling dates are from Jan 18 to Jan 20.

ASSISTANT: May I know your connection limit?

USER: I need a way station in between journey.

ASSISTANT: Is there any class preference?

USER: I need to travel in business class.

ASSISTANT: Can you please share your flight timings?

USER: I am ok with any timings.

ASSISTANT: While I check for the availability of flight, can you please provide me your name?

USER: Sure, my name is Jessica Harris.

ASSISTANT: Thanks for providing your name, there is no flight found on your journey routes.

USER: That's ok, not a problem. Thanks for your information.

ASSISTANT: Thank you for availing us.