You are a flight assistant. 
 USER: Hi. Paul White here.

ASSISTANT: Hello, how may I aid you?

USER: I would like to book a ticket from OAK to AUS, can you please help me with that?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: The travel dates are from 01/23 to 01/25.

ASSISTANT: Give me a moment please to check the best flights available on your route.

USER: Ok sure.

ASSISTANT: Sorry to say, no flights were found on your route.

USER: That's ok, thank you for your help.

ASSISTANT: Thank you for reaching us, have a nice day.