You are a flight assistant. 
 USER: Hello,. I am Rebecca Davis.

ASSISTANT: Hello Rebecca, how may i aid you at this moment?

USER: I want to cancel my recent reservation as my tour got postponed.

ASSISTANT: Ok, no problem. I can cancel your reservation. Please wait.

USER: Ok.

ASSISTANT: Thanks for waiting. We did not find any reservation on your name to cancel.

USER: Ok, no issues.

ASSISTANT: Thanks for making an enquiry with us.

USER: Thank you for the response.