You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I need to cancel my reservation due to some personal issues.So can you help me with cancellation of my reservation?

ASSISTANT: Sure, may I know your name?

USER: I am Nicole Wright.

ASSISTANT: Thank you. Please stay on hold for a while.

USER: Sure.

ASSISTANT: Sorry, I have not found any reservation under your name in our database.

USER: No problem, thank you for the information.

ASSISTANT: You are most welcome.