You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Brenda Parker.

ASSISTANT: How can I assist you now?

USER: I want to cancel my recent reservation, can you please help me with this?

ASSISTANT: Sure, I will help you with that. Please wait a  moment to check your reservation status.

USER: Sure.

ASSISTANT: Sorry Brenda Parker, no reservation has found under your name.

USER: Ok, no problem. Thank you for your information.

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