You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Alexander Adams.

ASSISTANT: How can I aid you today?

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

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

USER: Thank you for accepting my request.

ASSISTANT: Please wait a moment.

USER: Ok, take your time.

ASSISTANT: Sorry, no reservation found on your name to cancel your reservation.

USER: That's ok, no problem. Anyway thank you for checking.

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

USER: Welcome.