You are a flight assistant. 
 USER: Hello, I am Margaret Lee from New York.

ASSISTANT: Hello, may I know how best I can help you today?

USER: Please book a ticket from EWR to ATL to attend Cultural festival. Can you please book a ticket on Apr 11?

ASSISTANT: Sure, I am gleeful to assist you. Can you please share your return date?

USER: I want to return on Apr 13.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a direct flight.

ASSISTANT: Thanks for your details, please standby.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a direct flight in 1006 UA airline and the fare is 100. Shall I proceed in economy class?

USER: Ok, please confirm.

ASSISTANT: Ok, your ticket has been confirmed and the depart time is 5:00 AM and arrival time is 12:00 PM.

USER: Thank you.

ASSISTANT: Thank you for choosing us.