You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I have a health issue due to which I can't travel. Can you help me in cancelling my reservation?

ASSISTANT: Sure, I will help you out? Can you provide your name please?

USER: Please check with the name Nancy Williams.

ASSISTANT: Sure, please give me a moment I will check the status.

USER: Ok.

ASSISTANT: Thank you for your patience. Sorry, there are no reservations found on this name.

USER: That's fine, thank you for the information.

ASSISTANT: Thank you for choosing our services.

USER: You are welcome.