You are a flight assistant. 
 USER: Hello. I am Kevin Garcia.

ASSISTANT: Hello, how may I aid you today?

USER: I want to reserve a flight ticket from HOU to attend a conference in AUS, can you please help me out?

ASSISTANT: Sure, please share your trip dates.

USER: My planning dates are from 10/22 till 10/24.

ASSISTANT: Do you need economy class or business class? Please wait for a while.

USER: I am fine with any class.

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

USER: That's ok, I will choose any other way to reach my destination on time. Anyway thank you for checking.

ASSISTANT: Thank you for reaching us.