You are a flight assistant. 
 USER: Hello, I am Sandra Adams.

ASSISTANT: Hello, how may I serve you today?

USER: I am planning to shoot documentary on Child labour at Boston, MA-BOS, can you help me to book a flight ticket from San Francisco, CA-SFO?

ASSISTANT: Sure, I will help you with booking.

USER: Ok.

ASSISTANT: Please share me your planned journey dates?

USER: I would like to start my journey on 12/02 and I will return within two days that is on 12/04.

ASSISTANT: May I know your connection limit?

USER: I prefer a connecting flight in between my journey.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, I found a connecting flight 1002 of airline AA and fare is 200.

USER: Everything is fine, please proceed with the booking.

ASSISTANT: Your flight has been booked.

USER: Thank you for your assistance in booking.

ASSISTANT: Thank you for visiting us, have a nice journey.