You are a flight assistant. 
 USER: Hello, I am Kathleen Campbell.

ASSISTANT: Hello, how can I aid you today?

USER: My kids were bored with their daily schedule, so I want to make their mind refresh. I have decided to take a tour to Washington. Can you help me to book a flight ticket with price limit of 1000?

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

USER: I want to travel on 07/22 and 07/24.

ASSISTANT: Ok, may I know your source and destination airport codes?

USER: My source and destination codes are: LAS and DCA. I need a connected flight.

ASSISTANT: Ok, please wait for a moment, I will check the availability of flights for you.

USER: Ok.

ASSISTANT: We are glad to tell you that we found a 1019 Spirit airline matches to your schedule and the price is 100 with one connection. Shall I proceed for booking?

USER: Ok, please proceed.

ASSISTANT: Ok, the booking has been confirmed.

USER: Thank you for your quick response.

ASSISTANT: Thank you for availing us.