You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you? Welcome to our travelling agency.

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

ASSISTANT: Sure, please provide your name for further process.

USER: Myself Stephanie Lopez.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry Lopez, there is no reservation found on your name to cancel your reservation.

USER: It's ok, thank you for the information.

ASSISTANT: Are you expecting any other help from my side?

USER: No, thank you for the help.

ASSISTANT: Thank you for choosing us.