You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you help me to cancel the reservation I had done recently to visit the famous park?

ASSISTANT: Sure, I can help you. May I know your name?

USER: Ok, please check for the name Brandon Miller.

ASSISTANT: Thank you. Please be on hold for a while. Let me check.

USER: Ok, please take your own time.

ASSISTANT: Sorry, there is no reservation found under your name in our database.

USER: Ok, that is not a problem. Thank you for the help.

ASSISTANT: You are welcome and thank you for choosing us.