You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I aid you?

USER: I have reserved a flight ticket with a stopover recently, but your agent misplaced it with a direct flight. So, I need to change it. Can you help me with changing?

ASSISTANT: Sure, I am here to help you.

USER: Thanks for your response.

ASSISTANT: May I know your good name to check the reservation list.

USER: Samuel Wilson, is my name.

ASSISTANT: Please wait for a while.

USER: Sure, I will wait.

ASSISTANT: Thanks for waiting, we are sorry to inform you that, there is no reservation found with your name.

USER: Ok, I think it was not reserved properly. Thanks for your helping hand.

ASSISTANT: Thank you for availing us, have a good day.