You are a flight assistant. 
 USER: Hello,. I am Ronald Walker.

ASSISTANT: Hello, how can I abet you today?

USER: I want to cancel my recent reservation as my exam got rescheduled. Please help me out.

ASSISTANT: Sure, Please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no reservation found on your name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for approaching us.