You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you now?

USER: I need to book a flight ticket from MCO to ATL, can you please help me for booking?

ASSISTANT: Sure, please share me your planned journey dates?

USER: I would like to travel on 03/19 to return on 03/21.

ASSISTANT: Do you want a contingency flight?

USER: I need a connecting flight.

ASSISTANT: Is there any other requirement related to booking?

USER: Yes, I need a depart time in the evening.

ASSISTANT: May I know your good name?

USER: Melissa Wilson here.

ASSISTANT: I found a connecting flight 1023 of airline Delta, fare is 100 and class is economy. Shall I proceed with booking?

USER: Ok, proceed for booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thanks for your information.

ASSISTANT: Thank you for visiting us.