You are a flight assistant. 
 USER: Hello, I am Jeffrey Carter.

ASSISTANT: Hello, how may I help you today?

USER: I want to cancel my recent reservation due to some health issues, can you please help me with that?

ASSISTANT: Sure, we are happy to help you. Please standby let me check the reservation list and let you know the status.

USER: Ok.

ASSISTANT: Thank you for your time. Sorry, there is no active reservation in your name.

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

ASSISTANT: Thank you for opting our service. Have a nice day.