You are a flight assistant. 
 USER: Hello, I am Larry Jackson.

ASSISTANT: Hello. How can I aid you?

USER: Can you help me cancel my reservation as my appointment with my doctor got cancelled?

ASSISTANT: Sure, I can help you. Please wait  a while.

USER: Sure.

ASSISTANT: Thanks for your time. We didnt found any reservation by this name.

USER: That's ok, thank you.

ASSISTANT: Thank you for consulting us.