You are a flight assistant. 
 USER: Hi. I am Scott Clark.

ASSISTANT: Hello.

USER: Can you help me in cancelling my recent reservation, as my exam is postponed?

ASSISTANT: Scott Clark, I am here to help you?

USER: Ok.

ASSISTANT: Can you give me a moment.

USER: Sure.

ASSISTANT: Sorry to say that there is no reservation by the name Scott Clark.

USER: That's ok, thank you.

ASSISTANT: Thank you for approaching us.