You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: Margaret Lee here. Can you please check for the flights from ORD to PHX?

ASSISTANT: Sure, let me know your travel dates please?

USER: My journey dates are from Sept 18 to Sept 20.

ASSISTANT: Do you need any lay by in between your journey?

USER: My depart time is in morning and I prefer 1 connection flight with economy class reservation.

ASSISTANT: Do you need any other specifications?

USER: No, thanks for asking.

ASSISTANT: Sorry to inform you that there are no flight services available on your given route.

USER: Oh! Thank you for checking anyways.

ASSISTANT: Thanks for reaching us.