You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, Good Morning.

USER: I'm planning visit Magic Kingdom which is located in Orlando, so I am searching for a flight from 04/14 to 04/16.

ASSISTANT: Sure, can I know your source and destination airport code?

USER: My source airport code is BOS and the destination airport code is MCO.

ASSISTANT: Please hold on for a moment, let me check.

USER: Ok, take your time.

ASSISTANT: I am sorry to inform you that there are no flights matching your preferences.

USER: No issues.

ASSISTANT: Can I know your name?

USER: My name is Anthony Perez.

ASSISTANT: Thank you, have a good day.

USER: Thank you for your valuable time.