You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: I am Anthony Taylor, want to cancel my recent reservation due to some personal issue. Please help me out with that.

ASSISTANT: Sure, We are here to help you.

USER: Thanks.

ASSISTANT: Please wait  a while.

USER: Sure, take your time.

ASSISTANT: Thanks for being waiting. We didn't found any reservation by this name.

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

ASSISTANT: Thanks for choosing us.