You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I aid you today?

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

ASSISTANT: Sure, we can help you with that. Let me know your good name please.

USER: At earlier the reservation has been reserved with the name Kathleen Walker.

ASSISTANT: Ok, give me sometime to check and revert to you.

USER: Sure, take your time.

ASSISTANT: Thank you for being wait. Unfortunately, we found no reservation with your name.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for opting us.