You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,. How can I render you today?

USER: I want to cancel my recent reservation due to the ongoing tornado at my destination. Can you help me with that?

ASSISTANT: Sure, we are here to aid you.

USER: Thank you.

ASSISTANT: Let me know your name for cancelling your ticket.

USER: I am Kevin Hill.

ASSISTANT: Thanks for waiting, there is a reservation found on your name Kevin Hill. Shall I cancel?

USER: Yes, please cancel.

ASSISTANT: Your ticket has been cancelled.

USER: Thanks for the help.

ASSISTANT: Thank you for opting us.