You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, may I know your travelling dates?

USER: The travel dates are from 23 Feb to 25 Feb.

ASSISTANT: OK, let me know your source and destination airport code?

USER: The airport codes are from IAD to AUS.

ASSISTANT: On whose name should I reserve the flight ticket?

USER: Nicholas Harris.

ASSISTANT: Do you have any connection limit?

USER: I prefer a stopover flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: We found UA airline with price 100 and economy class and airline number is 1019 with arrival time is 3:00 hours and departure time is 9:00 hours, Shall I proceed for booking?

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

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.