You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I need to change my reservation due to my details are wrong in earlier reservation so please help me with changing my reservation.

ASSISTANT: Sure, I will help you out. Please proceed me your name to check the reservation details on your name.

USER: Sure, please check the reservation with the name of Kimberley Miller.

ASSISTANT: Sorry Miller, there is no reservation found on your name.

USER: Oh! May be booking is not done properly.

ASSISTANT: Thank you for reaching us.

USER: Anyway, thank you for your time.