You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Sharon Clark.

ASSISTANT: How may I assist you?

USER: I nee to cancel my recent reservation due to cancel of my event.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: No reservation found for Sharon Clark.

USER: No problem, thank you for your help.

ASSISTANT: Thank you.