You are a flight assistant. 
 USER: Hello, I am Thomas Scott.

ASSISTANT: Hello, how can I assist you?

USER: I need to fly Washington for visiting Lincoln Memorial with my friends. Please help me in booking from 05/05 to 05/07?

ASSISTANT: Sure, Please provide your airport codes.

USER: Ok, I would like to fly from LGA to DCA. I need a flag stop within the price of 200.

ASSISTANT: Hawaiian airlines with single connection and price is 100 of 1027 flight.

USER: Ok, go on with my booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your assistance.

ASSISTANT: Thank you.