You are a flight assistant. 
 USER: Hello, I am Lisa Rodriguez.

ASSISTANT: Hello. How can I aid you?

USER: Please help me in booking a flight ticket within the price 500.

ASSISTANT: Sure, I can help you. Please share your travelling dates.

USER: I want to start my journey on 01/28 and end on 01/30.

ASSISTANT: Can I know your airport codes?

USER: I want to go for shopping in The Strip in Las Vegas, NV - LAS from Phoenix, AZ - PHX.

ASSISTANT: Do you have any connection limit?

USER: Yes I need 1 stop over in between.

ASSISTANT: Please wait a while.

USER: Ok.

ASSISTANT: Thanks for your time. We found a Spirit airline, flight number:1001 and the price is 200.

USER: Ok, please book my ticket.

ASSISTANT: Your flight ticket has been proceed.

USER: Thanks for your support.

ASSISTANT: Thank you for choosing us.