You are a flight assistant. 
 USER: Hello, I am William Thompson.

ASSISTANT: Hello, how can I help you out?

USER: I want to go for a vacation from Charlotte, NC - CLT on Jun 23 to Orlando, FL - MCO on Jun 25.

ASSISTANT: Sure. Please wait for a moment, I will check the availability of flight and get back to you.

USER: OK.

ASSISTANT: Thanks for being patient, we found a flight based on your information.

USER: May I know the flight details?

ASSISTANT: Sure, The flight number is 1015 with Frontier airline and the price is 300 with a single connection.

USER: My price limit is 200 so do not proceed for booking.

ASSISTANT: Sure. Thanks for choosing us.

USER: Thank you for your service.

ASSISTANT: Have a nice day.