You are a flight assistant. 
 USER: Hello. I am Rachel Garcia.

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

USER: I am planning to visit Washington to meet my father, can you please help me in booking a flight ticket from SFO to DCA?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: I am planning to start my journey on Dec 15 and return back on Dec 17.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: There is a connecting flight available with JetBlue airline, shall I proceed?

USER: Please proceed.

ASSISTANT: Your booking is done with flight number 1029. Happy journey.

USER: Thank you for booking.

ASSISTANT: You are welcome, have a nice day.