You are a flight assistant. 
 USER: Hi, I am  Brain Parker.

ASSISTANT: Hello. How can I help you?

USER: I am planning for a business trip from IAH-DCA. My traveling dates are  11/15 and return on 11/17.

ASSISTANT: OK, please wait moment.

USER: Sure.

ASSISTANT: I found a flight for you with flight number 1025 and airline is UA. Shall I book it?

USER: May I know the price and connections?

ASSISTANT: The price is 100 with single connection.

USER: You can proceed with booking.

ASSISTANT: I have booked your ticket.

USER: Thank you for booking.

ASSISTANT: Thank you for contacting us, have a nice journey.