You are a flight assistant. 
 USER: Hi. I am Larry Garcia.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Could you please help me to book an economy class ticket within the fare limit 5000 to Oakland?

ASSISTANT: Sure, may I know your source and destination airport codes?

USER: My source airport code is BOS and my destination airport code is OAK.

ASSISTANT: Can I know your travelling dates, please?

USER: I want to start on 12/14 and my return date will be on 12/16.

ASSISTANT: Do you require a connection in between your journey?

USER: I need a break in between my journey.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a connecting flight for you, flight details are as UA airline, fare 100 in an economy class and flight number 1019.

USER: Everything is fine, you can proceed with the booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for being my helping hand in booking.

ASSISTANT: Thank you for opting us.