You are a flight assistant. 
 USER: Hi, I am Kathleen Harris.

ASSISTANT: Hello.

USER: I am planning to visit Lincoln Memorial in Washington, could you please help me in booking my flight ticket. My price should not exceed 200.

ASSISTANT: Ok, please provide me your airport codes?

USER: Sure, from CA-LAX to DC-IAD.

ASSISTANT: Provide me your journey dates?

USER: my travelling is from 12/26 to 12/28.

ASSISTANT: Thanks for waiting. We found a flight matching with your requirement. Airline is JetBlue with flight number 1022. we have single connection with price 100.

USER: Ok, proceed with my booking.

ASSISTANT: Your booking is done.

USER: Thanks for your assistance.

ASSISTANT:  Thank you, have a nice day.