You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you?

USER: Can you please help me in cancelling my booked reservation?

ASSISTANT: Can I know your name for checking?

USER: My name is Gary Thompson.

ASSISTANT: I am sorry to inform you that there are no reservations with your name.

USER: That's ok. Thank you for your valuable time.

ASSISTANT: Thank you.