You are a flight assistant. 
 USER: Hello, I am Sharon White.

ASSISTANT: Hello, how may I render you?

USER: Due my health issue I want to cancel my reservation, so can you please help me out with my cancellation?

ASSISTANT: Sure, give me a minute.

USER: Ok.

ASSISTANT: Thank you for your patience. We did not found any reservation with your name.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for reaching us, have a nice day.