You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Anthony Brown.

ASSISTANT: How may I assist you today?

USER: I want to cancel my recent reservation due to heavy rainfall, can you please help me in cancel reservation?

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: There is no reservation found with your given name in our data.

USER: No problem, thank you.

ASSISTANT: Thank you for opting us.