You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to book a flight ticket to ORD from PHX, can you please help me out?

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

USER: Sure, my planned travelling dates are Jan 02 and Jan 04.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: Yes, I am looking for a flight with 1 connection.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Do you have any particular time for departing and returning?

USER: Yes, my depart time must be in afternoon.

ASSISTANT: May I know your good name please? Sorry, there is no flight available on your requested dates.

USER: Sure, my name is Benjamin Baker. It's ok, thank you for the information.

ASSISTANT: You are welcome.