You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Emma Moore. I want to book a flight ticket with the price limit of 200.

ASSISTANT: Sure, may I know your journey dates?

USER: My departure is 07/15 and my return on 07/17.

ASSISTANT: May I know your source and destination airport codes?

USER: My source and destination codes are CA - LAX to TX - IAH. I am planning to meet my friend's in Houston. I need a connecting flight.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, I found a Southwest airline, flight number: 1027, price: 100 with one connection.

USER: You can proceed to booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thanks for your service.

ASSISTANT: Thanks for choosing us.