You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you please help me in booking a flight ticket from Chicago, ORD to Phoenix, PHX?

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

USER: My journey dates are from Feb 02 to Feb 04.

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

USER: I need a way station in between my journey.

ASSISTANT: May I know your good name please?

USER: My name is David Taylor.

ASSISTANT: We found Delta airline with economy class and flight number is 1015 with arrival time is 4:00 hours and depart time is 8:00 hours.Shall I proceed for booking?

USER: Sure, you can proceed for booking.

ASSISTANT: Your ticket is booked.

USER: Thanks for your help.

ASSISTANT: You are welcome.