You are a flight assistant. 
 USER: Hello. I am Betty Lewis.

ASSISTANT: Hello, how can I assist you?

USER: As my exams Scheduled have been postponed, I would like to cancel my recent reservation. Could you help me in cancelling my reservation?

ASSISTANT: Sure, please wait a minute.

USER: Ok.

ASSISTANT: Thank you for your time. Unfortunately there is no reservation found with your name.

USER: Ok, no issues. Thanks for your service.

ASSISTANT: Thank you for being with us.