You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Elizabeth Evans here.

ASSISTANT: How can I help you Evans?

USER: I just need your help in making my reservation from OAK to ATL.

ASSISTANT: On which dates do you want to travel?

USER: My travelling dates are from 03/24 to 03/26. I need 0 connected flight.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Sorry Evans, no flight is available on your route OAK to ATL.

USER: It's ok, thank you for the information.

ASSISTANT: You are welcome.