You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, Good Afternoon.

USER: Joseph Johnson here. Due to some technical issue in our office, I want to solve the issue. Regarding that, Can you cancel my booking?

ASSISTANT: Ok Johnson, I will check for the existing reservation. Please wait a moment.

USER: Ok.

ASSISTANT: Sorry to inform you, there is no reservation found with your name Joseph Johnson.

USER: It's ok. Thank you.

ASSISTANT: Thank you for reaching us, have a nice day. Hope you will reach us in future.