You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you at this moment?

USER: My name is Janet Harris. There is a concern regarding the cancel of reservation, can you help me with that?

ASSISTANT: Sure Janet Harris, I am ready to help you with that. Please wait a moment to check your reservation status.

USER: Ok, please take your time.

ASSISTANT: Sorry Janet Harris, no reservation has found under your name  to cancel.

USER: Thank you for assisting me. That is ok, may be my brother had cancelled for me.

ASSISTANT: Thank you for choosing us, have a good day.