You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can 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, may I know your name?

USER: Sure, please check the reservation with my name Debra Williams.

ASSISTANT: Sorry, there is no reservation found under your name. Thank you for reaching us.

USER: It's ok fine, no problem. Thank you for your time.