You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Donna Wright here. I would like to prefer a flight with lay-by option for my business trip to Philadelphia. Can you book the flight ticket?

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

USER: The travel dates are from Mar 30 to Apr 01.

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

USER: I prefer a stopover flight.

ASSISTANT: Can you please share your airport codes?

USER: The airport codes are from CLT to PHL.

ASSISTANT: We found United airline with economy class and flight number is 1021 with arrival time is 10:00 hours and depart time is 16:00 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: You are welcome.