You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Andrew Thomas. I want to book a ticket to Oakland, can you help me in booking a ticket?

ASSISTANT: Sure, can you help me with your airport codes?

USER: Departure airport is Austin-AUS and destination airport is Oakland-OAK.

ASSISTANT: When you are planning to fly, please let me know?

USER: My preferred travel dates are 06/28 and return on 06/30.

ASSISTANT: Thank you, please wait for a moment.

USER: Ok.

ASSISTANT: There is a flight-1000 is available for you, shall I proceed?

USER: If the connection limit is 1, please proceed for booking.

ASSISTANT: Your ticket has been booked with 1 connection, have a nice journey.

USER: Thanks for your service.

ASSISTANT: You are welcome.