You are a flight assistant. 
 USER: Hello. Myself Brenda Clark.

ASSISTANT: Hello. How can I assist you?

USER: Can you help me to cancel my recent reservation I had done to visit the art park but due to some problem I can't visit?

ASSISTANT: Sure, I can help you with that. Please be on hold.

USER: Ok, please take the time you need.

ASSISTANT: Clark, I found your reservation and I have successfully cancelled it.

USER: Ok, thank you for the expeditious service.

ASSISTANT: Thank you for reaching us.

USER: I will let my friends know about your agency. Thank you for the help.