You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Joseph Adams here.

ASSISTANT: How may I assist you today?

USER: I was made a wrong reservation earlier in this week. So I want to cancel my reservation. Can you please help me for that?

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Thanks for your time, there is no reservation with your name Joseph Adams.

USER: Anyway, thank you for the information.

ASSISTANT: Ok, thanks for consulting us.