You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you today?

USER: Can you help me to cancel my reservation?

ASSISTANT: Sure, may I know your name to check with the previous reservation.

USER: Sure, my name is Justin Collins.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there is a no active reservation on your given name to cancel.

USER: No issues, thank you for your time.

ASSISTANT: Thank you for reaching our service.