You are a flight assistant. 
 USER: Hello, my name is Michael Evans.

ASSISTANT: Hello, how may I assist you?

USER: I want to cancel my recent reservation, can you please help me out?

ASSISTANT: Sure, please allow me to check with your existing reservation for a moment.

USER: Ok, take your time.

ASSISTANT: Thank you for waiting. I searched for your previous booking but still I was unable to find any active reservation in our data base. Sorry for the inconvenience.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for approaching our services. Have a nice day.