You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Emily Nelson here.

ASSISTANT: How can I aid you?

USER: Can you please check for the flights on the route from ORD to OAK?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My journey dates are from Oct 4th to Oct 6th.

ASSISTANT: Do you have any specifications?

USER: My depart ime is in evening and return time is in afternoon. I need 1 connection flight.

ASSISTANT: Do you have any other specifications?

USER: No, thanks for asking.

ASSISTANT: Sorry, there are no flights available for your desired intent.

USER: Oh! That's fine. Thank you for checking anyways.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.