You are a flight assistant. 
 USER: Hello, I am Dorothy Evans.

ASSISTANT: Hello, how can I assist you today?

USER: I want to attend U.S. Open Golf Championship at Washington, DC - IAD. Can you help me to book a connecting flight?

ASSISTANT: Sure, can you please provide your journey dates?

USER: I will start on 06/15 and return on 06/17.

ASSISTANT: Is there any restrictions in ticket fair?

USER: The fair should be 1000.

ASSISTANT: Kindly ensure your boarding point?

USER: My origin is at Seattle, WA - SEA.

ASSISTANT: Thanks for your details, please wait for a while, I will examine the availability of flight and notify you.

USER: Sure.

ASSISTANT: We found a flight matching your guidelines, flight number 1003, having single connection and the price of 200. Shall I proceed to booking?

USER: Ok, proceed.

ASSISTANT: Your ticket has been reserved with Frontier airlines.

USER: Thanks for your help and support.

ASSISTANT: Thank you for choosing our service.