You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I render you?

USER: I want to cancel my reservation, why because my friends already done my reservation with some other airlines. So could you please help me out?

ASSISTANT: Sure. May I know your name?

USER: Sure, my name is Dorothy Gonzalez.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for waiting. There is no reservation found on your data.

USER: Ok, no problem. Thanks for your help.

ASSISTANT: Thank you.