You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER:  I am Samantha Davis want to cancel my reservation due to heavy snow fall. Can you help me with it?

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, we found a reservation with your name. Shall I proceed for cancellation?

USER: please cancel.

ASSISTANT: Your ticket has been cancelled.

USER: Thank you for your response.

ASSISTANT: Thanks for contacting us.