You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Ryan Wilson. I want to go for my wedding shopping at Washington, DCA. Can you please book a ticket from Charlotte, CLT?

ASSISTANT: Sure, can you please help me with your journey dates?

USER: Journey dates are 09/26 to 09/28.

ASSISTANT: Do you have any specifications?

USER: I need connecting flight. Price limit is 500.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: We found a flight with Hawaiian airlines, flight number is 1000 with one connection and price is 200.

USER: You can proceed.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thanks for choosing us.