You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Please help me in booking a flight ticket from BOS to SFO.

ASSISTANT: Sure, may I know your travelling dates?

USER: I will start on Sept, 15 and return on Sept, 17.

ASSISTANT: Do you need a connecting flight?

USER: Yes.

ASSISTANT: Can I know your other preferences?

USER: No more preferences.

ASSISTANT: May I know your name?

USER: Kathleen Johnson here.

ASSISTANT: There is a flight of Jetblue airline, flight number 1014 with the fare of 100. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.