You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you help me in booking a flight ticket from AUS to OAK?

ASSISTANT: Sure, may I know your trip dates?

USER: I want to travel on 06/21, and return on 06/23.

ASSISTANT: Do you have any other specifications?

USER: I need a single connection.

ASSISTANT: May I know your class preference?

USER: I am comfortable with any class.

ASSISTANT: May I know your name?

USER: I am Jerry Campbell.

ASSISTANT: We found a flight on Hawaiian airline, flight number 1021 with the fare of 300. Can I proceed for booking?

USER: Proceed with the booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for the help.

ASSISTANT: Thank you for choosing us.