You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Paul Phillips.

ASSISTANT: How can I abet you today?

USER: I am looking for a fight from AUS to LAS, can you help me out please?

ASSISTANT: Sure, will you please provide your trip dates?

USER: My trip dates are from 03/10 till 03/12.

ASSISTANT: Sorry, no flights are available for you on your route.

USER: That's ok, no problem. Thank you for your help.

ASSISTANT: Welcome.