You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I'm planning to visit my grandparents at AUS, can you book a ticket from OAK?

ASSISTANT: Sure, could you please tell me your travel dates?

USER: Sure, my planned departure and return travel dates are 10/08 and 10/10.

ASSISTANT: Ok, please be on hold for a while.

USER: Sure.

ASSISTANT: May I know your name?

USER: Yes, my name is Amy Jones.

ASSISTANT: Sorry, I did not find any flight available on your preferred travel dates.

USER: Oh! That's ok, thank you for giving the information.

ASSISTANT: You are welcome and thank you for contacting us.