You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I want to travel from DTW to IAD to attend my conference meeting. Please help me in booking my ticket.

ASSISTANT: May I know your itinerary dates?

USER: My itinerary dates are from 11/16 to 11/18.

ASSISTANT: Do you have any specifications?

USER: I would like to prefer economy class and also I need a direct flight.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Direct flight is provided by Spirit airlines with flight number 1007 and ticket costs you 200 in economy class.

USER: That's perfect, please proceed with the booking.

ASSISTANT: May I know your name?

USER: My name is Anthony Clark.

ASSISTANT: Your ticket is reserved Anthony Clark . Flight departs at 10:00 AM and arrives at 4:00 AM.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.