You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am having vacation for 2 days.So, I want to book a flight ticket to Boston, MA - BOS. Can you book me a flight ticket from Houston, TX - HOU?

ASSISTANT: Sure, can I know the trip dates please?

USER: My trip dates are 02/26 and 02/28.

ASSISTANT: May I know your name for proceeding further?

USER: Myself Patrick Lee.

ASSISTANT: Ok, wait a moment please.

USER: Ok, sure.

ASSISTANT: There is a flight for you in Delta airline, shall I book it?

USER: Yes, proceed for the booking.

ASSISTANT: Your ticket has been booked with flight number 1005.

USER: Thank you for a quick response from your service.

ASSISTANT: You are welcome.