You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: I am Elizabeth Evans, help me to cancel my ticket as my plan to visit cousin has been cancel due to heavy snow fall.

ASSISTANT: Sure, give me moment, I will revert you.

USER: Sure.

ASSISTANT: Thanks for waiting, we could not found any reservation.

USER: Thanks for the information.

ASSISTANT: Thank you for opting us.