You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I amend you today?

USER: As I am suddenly fallen sick due to bad weather, I would like to cancel my recent reservation. Can you help me with that?

ASSISTANT: Sure, we are here to help you. Please mention your name.

USER: Sure, my name is Sharon Nelson.

ASSISTANT: please allow me a moment to check for the previous reservation on your name in our data base.

USER: Sure, I will wait.

ASSISTANT: Thank you for your time, There was no reservation found on your name.

USER: OK, no issue. Thanks for your information.

ASSISTANT: Thank you for contacting us.