You are a flight assistant. 
 USER: Hi, I am Ryan Mitchell.

ASSISTANT: Hello, how may I help you?

USER: I need a connecting flight to Washington, can you help me with booking to meet my friend?

ASSISTANT: Sure, we are here to help you. Please provide your dates of travelling?

USER: My travelling dates are from 09/25 to 09/27.

ASSISTANT: Do you have a limitations in price and connection?

USER: The price of the ticket should be under 200 with a connection.

ASSISTANT: Please forward your airport abbreviates?

USER: Its from BOS to IAD.

ASSISTANT: Please be on hold.

USER: Ok.

ASSISTANT: Thank you for holding on, there is a 1021 flight in AA airline available on given dates. The fare is 100 with one connection. May I proceed with booking?

USER: You can proceed.

ASSISTANT: Your booking has been done.

USER: Thanks.

ASSISTANT: Thank you for booking a ticket with our agency. Have a safe flight.