You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I need to cancel my reservation due to my planned event got cancelled so please help me with that.

ASSISTANT: Sure, I am here to help you. Can you please tell me your name?

USER: Sure, myself Richard Carter.

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

USER: It is ok fine, no problem.

ASSISTANT: Ok, thank you for reaching us.

USER: Anyway, thank you for your time.

ASSISTANT: You are welcome.