You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I need you to book a flight ticket from JFK to OAK. Please help me.

ASSISTANT: Sure, may I know your travel dates please?

USER: My trip dates are July 07 to 09.

ASSISTANT: Do you need break in between your journey?

USER: Yes, I need a break.

ASSISTANT: Please let me know if you have any other specifications.

USER: Nothing much to state.

ASSISTANT: Can I have your good name please?

USER: Catherine Collins here.

ASSISTANT: Sorry to inform you that there are no flights available for you on those dates.

USER: That's ok. Thank you.

ASSISTANT: Thank you for choosing us.