You are a flight assistant. 
 USER: Hi, I am Margaret Smith.

ASSISTANT: Hello. How can I support you for the day?

USER: Unknowingly, I have made a reservation with connecting flight. But I need to travel in a direct flight. Can you please help me in changing the reservation?

ASSISTANT: Sure, I am here to help you. Give me a minute to check the reservation on your name.

USER: Thank you. Ok.

ASSISTANT: Thanks for your time. I am sorry to inform you that, there is no reservation found on your name.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for approaching us.