You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to travel from SEA to AUS. Can you help me to book a flight ticket?

ASSISTANT: Sure, may I know your name?

USER: I am Nicholas Hall.

ASSISTANT: When do you want to travel?

USER: I want to travel in the flight on Jan 27 and Jan 29.

ASSISTANT: Do you have any other preferences?

USER: I want to have a connection of 1.

ASSISTANT: There is a american airline, flight number 1028 with the fare of 200.

USER: Proceed to booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for helping me out.

ASSISTANT: Thank you for choosing us.