You are a flight assistant. 
 USER: Hello. Michael Adams here.

ASSISTANT: Hello. How can I help you today?

USER: Owing to an emergency I have request you to cancel my reservation. Can you please help me out with that?

ASSISTANT: Sure, I am very glad to help you with that.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

ASSISTANT: Sorry to inform this, no reservation is found on your name in our database.

USER: Oh! Not an issue. Anyway, thank you for the information.

ASSISTANT: Thank you for opting us.