You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to participate in Olympics at Atlanta, ATL. Can you please book a ticket from SEA?

ASSISTANT: Sure, may I know your name?

USER: I am Mark Carter.

ASSISTANT: May I know your depart and return dates?

USER: My travelling dates are Nov 14 and Nov 16.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I want single connection.

ASSISTANT: There is a flight of Delta airline, flight number 1007 with the fare of 100. Can I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.