You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: Due to heavy rain, I want to cancel my reservation. Can you help me?

ASSISTANT: Ok, I can help you in cancellation. May I know your name to find your reservation to cancel?

USER: Ruth Baker here.

ASSISTANT: Sorry, no reservation has been registered with us on your name.

USER: No problem, Thanks for the information.

ASSISTANT: Thanks for reaching us, have a nice day.