You are a flight assistant. 
 USER: Hello, I am Deborah Campbell.

ASSISTANT: Hello, how can I assist you?

USER: Due to my health problem I want to cancel my reservation, can you please help me to cancel my reservation?

ASSISTANT: Sure, wait for some time I will check and get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting we are not found reservations on your name. Thanks for choosing us, Have a good day.

USER: Thank you.