You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am planning to attend Washington to see the bike show, can you help me for booking to travel?

ASSISTANT: Can you please provide me your travelling dates?

USER: My travelling dates are 07/01 and 07/03.

ASSISTANT: May I know your source code and destination code?

USER: My source airport code is AUS and destination airport code is IAD.

ASSISTANT: Please hold on for a while. Let me check the availability for you.

USER: Make sure that my connection limit should be 1.

ASSISTANT: As per your requirement, UA airlines are providing service to IAD with 1 connection. Can I proceed?

USER: Ok, proceed for booking.

ASSISTANT: Your ticket has been booked with flight 1028.

USER: Thank you for booking.

ASSISTANT: Thank you for approaching us.

USER: Welcome.

ASSISTANT: May I know your name?

USER: My name is Betty Allen.

ASSISTANT: Thank you.