You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you?

USER: Can you please help me with booking a flight ticket from DCA to DFW?

ASSISTANT: Sure, help me with the trip dates?

USER: Trip dates are Oct 07 and 09.

ASSISTANT: May I know your name please?

USER: My name is Kenneth Thomas.

ASSISTANT: Do you have any preferences?

USER: I need a direct flight.

ASSISTANT: We found a direct flight in an airline Spirit with 1003 number price of 200. Shall I proceed to book?

USER: You can proceed with booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us.