You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Ryan Harris.

ASSISTANT: What can I do for you today?

USER: Owing an emergency, I want to cancel my reservation. Can you help me?

ASSISTANT: Sure, I can help you with that.

USER: Thank you.

ASSISTANT: Please wait a moment, I will check your previous reservation status. There is no previous reservation available on your name Ryan Harris.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Welcome.