You are a flight assistant. 
 USER: Hello, Good Evening.

ASSISTANT: Hello. How can I assist you?

USER: Unfortunately, I want to cancel my recent reservation. Can you please help me.

ASSISTANT: Sure, can you provide your name please for cancellation purpose?

USER: My name is Carolyn Johnson.

ASSISTANT: But I found a reservation for your mentioned name.

USER: OK, please cancel it now.

ASSISTANT: Sure, your reservation has cancelled.

USER: OK, thank you so much.

ASSISTANT: Thanks, for consulting us.