You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Ruth Martinez. I want to meet my parents from CA-OAK to NV-LAS. Can you book a connecting flight?

ASSISTANT: How much can you pay for flight ticket?

USER:  My budget is 5000.

ASSISTANT: May I know your trip dates please?

USER:  My trip dates are 05/09 and 05/11.

ASSISTANT: We are pleasure to inform that we have found a flight with an airline UA of flight number 1007.

USER:  You can proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.