You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Stephanie Carter. 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 am glad to help you. I have found your reservation and I cancelled it.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us, have a great day.