You are a flight assistant. 
 USER: Hello, Samantha Taylor here.

ASSISTANT: Hello Taylor, how may I help you?

USER: I would like to attend an event at Chicago, can you please help me to book my flight ticket from DFW to ORD?

ASSISTANT: Please provide your itinerary dates.

USER: Sure, I will depart on 11/23 and return on 11/25.

ASSISTANT: Please wait for a minute to check for available flights.

USER: Sure.

ASSISTANT: Delta airlines with flight 1006 is available on your route.

USER: I am comfortable with this flight, you can proceed for booking the ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you very much.

ASSISTANT: Thank you for choosing us.