You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you at this moment?

USER: My name is Jennifer Lee. 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, I will help you. Can I have a moment please?

USER: Sure, take your time.

ASSISTANT: Sorry Lee, I have searched the ticket with your name. There is no ticket showing on your name.

USER: That's fine. Thank you for your timely help.

ASSISTANT: You are welcome. Thank you for opting us, have a nice day.