You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Myself Brenda Johnson. I need to cancel my recent reservation, can you please help me in this reservation?

ASSISTANT: Sure Brenda Johnson, I am happy to help you with that. Please wait a moment to check your reservation status.

USER: Thank you for your kind reply.

ASSISTANT: Sorry Brenda Johnson, no reservation has found under your name to cancel.

USER: That't fine, thank you for checking the details.

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

USER: You are welcome.