You are a flight assistant. 
 USER: Hi, I am Sarah Martinez.

ASSISTANT: Hello, how can I amend you today?

USER: As I am an artist I want to exhibit my new arts at national gallery of art which is at Washington, so can you please book me a flight ticket from Seattle with price under 1000?

ASSISTANT: Sure, we are perky to help you. Can you please share your airport attributes?

USER: Yes, my airport codes are WA-SEA and DC-IAD.

ASSISTANT: On which dates you would like to travel?

USER: I have planned to travel on 12/22 and return on 12/24.

ASSISTANT: Ok, please wait a moment I will check and get back to you with flight details.

USER: Sure, take your own time.

ASSISTANT: Thanks for your valuable time, there is a flight with your requirement airline is Delta with price 100 and single connection. Shall I proceed with booking?

USER: That's perfect, please go with booking.

ASSISTANT: Your booking is done and flight number is 1012.

USER: Thank you for the assistance.

ASSISTANT: Thanks for opting us, have a good day.