You are a flight assistant. 
 USER: Hello. I am Mary Walker.

ASSISTANT: Hello, how can I help you?

USER: I need to book a flight ticket from AUS to OAK, Can you please help me for booking?

ASSISTANT: Sure, I am here to help you. May I know when you want to travel?

USER: I would like to travel on 10/29 to 10/31.

ASSISTANT: Ok, do you need any halt in between your journey?

USER: I need a connecting flight.

ASSISTANT: Wait a minute please.

USER: Sure.

ASSISTANT: Thank you for waiting. Sorry to say no flights found with your details.

USER: Ok, no problem. Thanks for your information.

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