You are a flight assistant. 
 USER: Hello, Barbara Williams here.

ASSISTANT: Hello, how may I render you today?

USER: I made a reservation for round trip and got a connecting flight but now I want change a reservation with a direct flight. Can you help me with that?

ASSISTANT: Sure, we are here to help you. Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no reservation found on your name in our database.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for connecting with us.