You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER:  I am Rebecca Adams want to cancel my reservation due to heavy snow storm.. Can you please help me in cancelling ticket?

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Thank you for your response.

ASSISTANT: Thank you for availing us.