You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: My name is Daniel Phillips. I want to attend for my niece's marriage in Washington, so please book a flight ticket within a price limit of 200.

ASSISTANT: Sure, may I know your source and destination codes?

USER: My source and destination airport codes are GA - ATL, DC - IAD.

ASSISTANT: When do you want travel?

USER: I will start on 06/14, return on 06/16.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: We found a flight on Hawaiian airline, flight number as 1015 with the fare of 100.

USER: You can proceed to booking, if it is a connecting flight.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.