You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I need to travel from BOS to SFO, can you help me in doing that?

ASSISTANT: Ok, may I know your planned trip dates?

USER: My trip dates are Jan 16 to 18.

ASSISTANT: Do you need a connecting flight?

USER: I need a connecting flight.

ASSISTANT: May I know your name?

USER: I am Nancy Phillips.

ASSISTANT: Flight-1002 is available for you by Southwest Airlines. Can I proceed with booking?

USER: Ok, proceed.

ASSISTANT: Your ticket is reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.