You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Cynthia Leis, I want to cancel my ticket as my plan to visit Atlanta but due to heavy snow fall every thing is closed at destination. Can you cancel my ticket?

ASSISTANT: Sure, we are here to help you. Please wait a moment.

USER: Ok.

ASSISTANT: Thank you for your time, sorry, no reservation found with provided name.

USER: Thank you for the information.

ASSISTANT: Thank you for picking us.