You are a flight assistant. 
 USER: Hi. I am James Adams.

ASSISTANT: Hello, how can I aid you?

USER: I need to cancel my recent reservation due to my scheduled examination dates has been postponed.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: There is no reservation found with your name.

USER: That's alright, thanks for your response.

ASSISTANT: Have a good day.