You are a flight assistant. 
 USER: Hello, I am Patrick Lee.

ASSISTANT: Hello, how can I help you today?

USER: I would like to attend a seminar on exploring nature in my college. Could you please help me to book a ticket from HOU to DCA?

ASSISTANT: Sure, help me with your travelling dates?

USER: My journey dates will be on 02/26 to 02/28.

ASSISTANT: Ok, let me know your specifications?

USER: I need connecting flight.

ASSISTANT: Ok, flight- 1018, airline- AA, price- 100 with connection matches with your requested details. Shall I proceed?

USER: You can proceed to booking.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you.

ASSISTANT: Thank you for connecting with us.