You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,. May I know your name please?

USER: My name is Ryan Adams.

ASSISTANT: How may I assist you?

USER: I want to cancel my recent reservation due to medical emergency. Can you please aid me with this?

ASSISTANT: Sure, please be on hold.

USER: Ok.

ASSISTANT: Thank you for your time.

USER: My pleasure.

ASSISTANT: Sorry, we did not find any active reservation in your name.

USER: It's ok, no problem. Thanks for your quick response.

ASSISTANT: Thank you for your approach.