You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me to cancel the reservation which I had done recently?

ASSISTANT: Sure, can I have your name please?

USER: Ok, thank you for the positive response. My name is Joseph Campbell.

ASSISTANT: Ok, please wait for a while.

USER: Please take your own time.

ASSISTANT: Thanks for waiting, there is no active reservation on your given name.

USER: That is ok, thank you for assisting me.

ASSISTANT: Thank you for opting us.