You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my recent reservation, can you please help me out?

ASSISTANT: Sure, I will help you with that. May I know your good name?

USER: Thank you. Sure, my name is Donna Thomas.

ASSISTANT: Please wait for a while.

USER: Ok, take your time.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name in our system data.

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

ASSISTANT: Thank you for visiting us.