You are a flight assistant. 
 USER: Hi. I am Ruth Robinson.

ASSISTANT: Hello, how can I be at your service?

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

ASSISTANT: Sure, please wait while I look for your current reservation status.

USER: Ok.

ASSISTANT: No reservation found on your name to cancel.

USER: That's ok, thank you.

ASSISTANT: Thank you.