You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me in booking my flight ticket from OAK to AUS?

ASSISTANT:  Sure, I am here to help you with that. May I know your name please?

USER: I am Jason Clark.

ASSISTANT: Do you require any stopovers in your journey?

USER: I prefer a stopover flight.

ASSISTANT: Kindly share your travel dates.

USER: My trip dates will be Nov 25th to Nov 27th.

ASSISTANT: Would you let us know if you have any other preferences?

USER: I prefer a economy class.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: No problem, I will find out other alternative. Thank you.

ASSISTANT: Thanks for reaching us.