You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How may I help you?

USER: Unfortunately, my friend marriage has been cancelled. So that I want to cancel my existing reservation.

ASSISTANT: Can you please help me with your name?

USER: Anthony Harris is my name.

ASSISTANT: Please hold for a minute.

USER: Sure.

ASSISTANT: Thanks for holding. we did not found any reservation on your name.

USER: No problem. Thanks for your information.

ASSISTANT: Thank you for contacting us.