You are a flight assistant. 
 USER: Hello. My name is Rachel Jones.

ASSISTANT: Hello. How can I help you today?

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

ASSISTANT: Let me check your details, give me a moment.

USER: Ok, take your time.

ASSISTANT: Jones, I am really sorry to say that I didn't find any reservation basing on your details.

USER: It's ok, thank you for checking.

ASSISTANT: Most welcome.