You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I am Thomas Jonhnson. Would it be possible to cancel my reservation, which I have done with my name?

ASSISTANT: Sure, give me a minute.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: That's ok, thank you for the response.

ASSISTANT: Thank you for opting us.