You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I have planned to visit Atlanta Botanical garden but due to heavy rain over there, I want to cancel my reservation. Can you help me out?

ASSISTANT: Sure, may I know your name?

USER: My name is John Thomas.

ASSISTANT: There is no reservation on your name.

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

ASSISTANT: Thank you.