You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: Can you please help me in cancelling my reservation due to my health problem?

ASSISTANT: Yes, I am willing to help you.

USER: Thank you.

ASSISTANT: May I know on which name the ticket has been reserved?

USER: On my name, Jeffrey Jackson.

ASSISTANT: Thank you for providing your name, please give me a minute I will get back to you with the current status.

USER: Sure.

ASSISTANT: Thank you for your time, sorry to inform no reservation found on your name.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us, have a good day.