You are a flight assistant. 
 USER: Hello. I am Lisa Wilson.

ASSISTANT: Hello Lisa, how can I help you today?

USER: I am looking for a flight from AUS to EWR, can you help me out?

ASSISTANT: Sure, I am here to help you in booking. Can I have your travel dates?

USER: My trip dates are from 06/10 till 06/12.

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

USER: That's ok, not an issue. I prefer road way to reach my destination. Anyway thank you for your information.

ASSISTANT: Thank you for opting us.