You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Due to typical climatic conditions in my visiting place, I would like to cancel my recent reservation. Will you help me with this?

ASSISTANT: Sure, I am gleeful to help you with that.

USER: Thank you.

ASSISTANT: Can you please tell me your name?

USER: My name is David Thompson.

ASSISTANT: Sorry, no reservation found on your name to cancel your reservation.

USER: Ok, not an issue. Thank you for providing information.

ASSISTANT: Thank you for reaching us, have a nice day.