You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you now?

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

ASSISTANT: Sure, can I have your good name please to check your reservation status?

USER: Sure, myself Matthew Thompson.

ASSISTANT: Ok, please wait a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry to inform you that no reservation has found under your name to cancel.

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

ASSISTANT: Thank you for choosing us, have a good day.

USER: Thank you for your service.