You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I need to cancel my reservation as I need to stay back in own city due to hails on roads and heavy snow.

ASSISTANT: Ok.

USER: Would you help me in this?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait. May I know your name?

USER: Please check my reservation on the name of Emma Harris.

ASSISTANT: Thanks for waiting. There is no reservation your name.

USER: No problem, thanks for your service.

ASSISTANT: Thank you.