You are a flight assistant. 
 USER: Hello,. I am Jennifer Green.

ASSISTANT: Hello, how may I oblige 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, I will help you with this.

USER: Thank you.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry to say that there is no reservation found on your name.

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

ASSISTANT: Thank you for reaching us.