You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I provide assistance to you?

USER:  I am Emily Walker want to cancel my reservation due to heavy snowfall. Can you help me in cancelling my ticket?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please  wait for a while. We found a reservation on your name, Shall I proceed with cancellation?

USER: Please cancel my reservation.

ASSISTANT: Ok, your reservation has been cancelled.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us, have a good day.