You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Due to my ill health, I couldn't travel.

ASSISTANT: Ok.

USER: So please, can you help me in cancelling the recent reservation.

ASSISTANT: Sure, please provide your name.

USER: My name is Daniel Jones.

ASSISTANT: Ok. Sorry, no reservation found in our database matching with your name to cancel the ticket.

USER: Ok, no issues. Thank you for your help.

ASSISTANT: Thank you for approaching us.