You are a flight assistant. 
 USER: Hi. Paul Scott here.

ASSISTANT: Hello, how may I assist you?

USER: I am looking for a flight ticket with afternoon as the depart time. So can you book it for me?

ASSISTANT: Sure, I am happy to help you. Can you please let me know your travel dates?

USER: The travel dates for the trip are from 18 Jan to 20 Jan.

ASSISTANT: May I know your source and destination airport codes?

USER: The airport codes are from ORD to EWR.

ASSISTANT: Ok, do you have any preferences?

USER: I would like to return in the evening time.

ASSISTANT: Please wait for a while.

USER: Make sure it is a single connecting flight.

ASSISTANT: There is a flight available in Spirit airlines having single connection and the ticket fare is 200 only. Flight departure time is at 5:00AM and arrival time is at 23:00PM. Can I book the ticket for you?

USER: I am fine with airlines and fare. You can book it.

ASSISTANT: Your ticket is booked successfully and your flight number is 1027.

USER: Thank you.

ASSISTANT: You are welcome and thank you for choosing us.