You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in booking a flight ticket from SFO to SEA?

ASSISTANT: Sure, can you please forward your travelling dates?

USER: I want to fly on Jan 13 and return on Jan 15.

ASSISTANT: Do you need a connecting flight?

USER: I need a single connection.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: Myself Helen Lee.

ASSISTANT: There is a flight of American airline, flight number 1017 with the fare of 300.

USER: You can proceed to booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.