You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What help can I do for you?

USER: Due to my ill health, I would like cancel my recent reservation. Can you help me with this?

ASSISTANT: Sure, I am happy to help you. I need your name to check  your reservation, can you please provide it?

USER: My name is Brenda Parker.

ASSISTANT: Ok Parker, sorry to inform you that, there is no reservation found with your name to cancel.

USER: Ok, not an issue. May be something went wrong while booking the ticket. Thank you for providing information.

ASSISTANT: Thank you for reaching us. Have a nice day.