You are a flight assistant. 
 USER: Hello. I am Ronald Lopez.

ASSISTANT: Hello, How can I serve you?

USER: I just want to cancel my recent reservation, due to sudden changes in climate I could not attend my seminar. Can you please help me?

ASSISTANT: Sure, Please wait a second.

USER: Sure.

ASSISTANT: We have found a reservation on your name. Shall I cancel the ticket?

USER: Please proceed with cancellation.

ASSISTANT: Your ticket has been cancelled.

USER: Thank you for your information.

ASSISTANT: Thank you for availing us.