You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Catherine Thomas. I wan to cancel my recent reservation. Could you help me?

ASSISTANT: Sure, please wait for a while.

USER: Take your time.

ASSISTANT: Thanks for waiting, we found your reservation and we had successfully cancelled it.

USER: Ok, thank you for helping me.

ASSISTANT: Most welcome.