You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am Dorothy Campbell. I want to book a flight ticket from MSP to DEN. Could you help me in booking?

ASSISTANT: Sure, kindly share your travel dates.

USER: My travelling dates are from Mar 17 to Mar 19.

ASSISTANT: How much can you afford this journey?

USER: I can spend 500 for this trip.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: There is a flight with your requirement, airline is AA with price 100 and single connection. Shall i proceed with booking?

USER: Yes, please proceed.

ASSISTANT: Your booking is done.

USER: Thank you for helping me.

ASSISTANT: Thanks for reaching us.