You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Anthony Rodriguez.

ASSISTANT: How can I aid you today?

USER: I have a plan to meet my friend in Oakland, can you help me for booking a flight ticket from AUS to OAK?

ASSISTANT: Sure, I will help you in booking. Can you pleas share your planning dates of journey?

USER: My travelling dates are from 06/04 till 06/06.

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

USER: That's ok, thank you for checking.

ASSISTANT: Welcome, have a nice day.