You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you at this moment?

USER: I want to book a flight ticket from ORD to PHX. Could you help me in booking?

ASSISTANT: Sure, do you need a lay by in between the journey?

USER: Yes, I prefer for connecting flight.

ASSISTANT: Ok, on which dates would you like to travel?

USER: My travelling dates are from Feb 23 - 25.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: May I know your good name please?

USER: Barbara Adams.

ASSISTANT: There are no flights found on your requested dates.

USER: That's ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.