You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Please book a flight ticket from IAD to reach MCO to meet my childhood friend.

ASSISTANT: Sure, may I know your planned trip dates?

USER: sure, my trip dates are on Oct 5 and 7.

ASSISTANT: Do you have any connection limit?

USER: I need a stopover.

ASSISTANT: May I know your arrival and depart timings?

USER: I am comfortable with any time.

ASSISTANT: Is there any airline preference?

USER: I prefer a normal cost airline.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: We found a connecting flight of fare 100 with normal cost airline Delta and number is 1019. Can I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: May I know your good name?

USER: Sure, my name is Elizabeth Nelson.

ASSISTANT: Thank you.