You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Jeffrey Campbell.

ASSISTANT: How can I support you?

USER: Actually, I got admitted in a hospital due to some health issues. So I prefer not to travel, could you help me in cancelling my reservation?

ASSISTANT: Sure, please standby. I will check in the reservation list and revert to you with the current status.

USER: Sure.

ASSISTANT: Thanks for your time, there is no active reservation on your specified name.

USER: No issues, thank you for your information.

ASSISTANT: Thanks for approaching us, hope to serve you again.