You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I be your helping hand?

USER: I am Rebecca Baker. I need to book a flight ticket from OAK to PHX, Can you please help me for booking?

ASSISTANT: Sure, may I know your journey dates?

USER: I would like to travel on 04/29 to 05/01.

ASSISTANT: Do you have any other preferences?

USER: I need a connecting flight with fare of 1000.

ASSISTANT: Sorry, currently there are no flights available to your destination.

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

ASSISTANT: Thank you for availing us.