You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Will you please cancel my existing reservation as my plan to go for holiday trip got cancelled?

ASSISTANT: Sure, can I have your name to proceed?

USER: I am Thomas Thompson.

ASSISTANT: Please wait for a moment to check your details.

USER: Sure.

ASSISTANT: Sorry to say, no reservation found on your name.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for the information.