You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Kimberly Walker, as my appointment with my client got cancelled, I want to cancel my recent reservation. Could you help me in cancelling.

ASSISTANT: Sure, I will help you with that. Please wait.

USER: Ok.

ASSISTANT: Thanks for waiting, Sorry to inform you there is no any reservation found on your name in our database.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Thanks for reaching us, have a nice day.