You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Cynthia Hill.

ASSISTANT: How may I assist you?

USER: Can you please help me in booking a flight ticket in normal cost to IAD to attend a  seminar?

ASSISTANT: Sure, I am glad to help you. Would you please share your trip dates? Can you please share your source location?

USER: My planned journey dates are Apr 17 and Apr 19. I would like to board from SEA.

ASSISTANT: Do you have any other specifications?

USER: Price must be under 1000. I need a halt in between my journey.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: According to your information, there is a flight with 1 connection in AA airlines and price is 100. Shall I proceed for booking?

USER: Please, proceed.

ASSISTANT: Ok, your ticket is booked with the flight 1017.

USER: Thank you.

ASSISTANT: Thank you for contacting us.