You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: My name is Mary Miller.

ASSISTANT: How may I assist you?

USER: I want to book a flight ticket with price limit of 200.

ASSISTANT: Sure. Please provide your travelling dates.

USER: I want to visit Swan House in Atlanta, GA-ATL. My departure day is 05/20, return day is 05/22.

ASSISTANT: May I know departure location code.

USER: My source airport code is WA-SEA, connections limit is one.

ASSISTANT: Flight is available with airline Hawaiian, connections 1. Flight number 1002 and price 100.

USER: You can proceed to booking.

ASSISTANT: Flight ticket is booked.

USER: Thanks for your service.

ASSISTANT: Thanks.