You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jason Jackson here.

ASSISTANT: Jason Jackson, how may I assist you today?

USER: I need to cancel my reservation, which is done recently. Can you please help me out?

ASSISTANT: Yes, I will help you.

USER: Thank you for considering my request.

ASSISTANT: Please allow me a minute while I check for your details.

USER: Sure, I will wait for your positive response.

ASSISTANT: I am really sorry to inform you that there is no reservation booked on your name.

USER: Not a big problem, thank you for your information.

ASSISTANT: Thanks for reaching us. Have a happy time.