You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Joshua King. I want to cancel my recent reservation, can you please help me in that?

ASSISTANT: Sure, let me check your reservation details in our database. Please wait for a while.

USER: Sure,.

ASSISTANT: Sorry, we couldn't found any reservation in our database by your name.

USER: That's ok, not a problem. Thanks for your information.

ASSISTANT: Thank you for choosing us.