You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need to travel from DCA to AUS, can you help me in reserving a ticket?

ASSISTANT: Sure, when are you planning to travel?

USER: My trip dates are Jan 09 to 11.

ASSISTANT: May I know your name for the booking process?

USER: John Taylor here.

ASSISTANT: Do you have any specifications?

USER: I prefer business class.

ASSISTANT: We found a flight in an airline American with 1028 number having a single connection price of 700 in business class. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for opting us.