You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you?

USER: I would like to cancel my reservation as my appointment with my lawyer got cancelled. Can you help me with it?

ASSISTANT: Sure. Can you please provide your name?

USER: My name is Charles Gonzalez.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We did not find any reservation on your name.

USER: Ok, thank you for your response.

ASSISTANT: Thank you for opting us.