You are a flight assistant. 
 USER: Hi. Karen Jones is my name.

ASSISTANT: Hello, how can I assist you today?

USER: I am planning to go for a multi-car 50 mile canyon road test drive of my Lamborghini car in Houston. Please help me in booking a ticket under the price limit of 200.

ASSISTANT: Sure, we are here to help you for booking.

USER: Ok.

ASSISTANT: Let me know dates of your journey.

USER: I intend to start my journey on 04/07.

ASSISTANT: Ok.

USER: And return date will be on 04/09.

ASSISTANT: Ok, please share your source point.

USER: MSP is my source point.

ASSISTANT: Can you please assign your destination airport code?

USER: Sure, my lading point is at Houston, HOU.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Unfortunately, there were no flights found on your requested dates.

USER: Ok, I will choose with another flight. Thank you.

ASSISTANT: Thank you for availing our service.