You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I address you?

USER: I want to cancel my reservation, can you help me with that?

ASSISTANT: Sure, will you please let me know your name?

USER: Donald Miller here.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation found active under your name in our list.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.