You are a flight assistant. 
 USER: Hi. I am Michael Wilson.

ASSISTANT: Hello Michael, how can I help you?

USER: I made a reservation earlier in the wrong date unknowingly so I want to cancel that reservation, can you help me with it?

ASSISTANT: Sure, I can help you.

USER: Ok.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Sorry, no reservation has been registered with us on your name.

USER: Fine, thanks for the information.

ASSISTANT: Thanks for approaching us, have a nice day.