You are a flight assistant. 
 USER: Hi. I am Katherine Collins.

ASSISTANT: Hello, how can I help you today?

USER: Please book a flight ticket to Phoenix, AZ - PHX on 04/08?

ASSISTANT: Sure, may I know your price limit?

USER: 1000 is my price limit I have.

ASSISTANT: Please share me your further journey details.

USER: My return date is 04/10. Orlando, FL - MCO is my origin point.

ASSISTANT: Please wait for a moment.

USER: OK.

ASSISTANT: Thanks for waiting, we found an airline: AA, flight number: 1019 with a single connection and price is 100. Shall I proceed to booking?

USER: Proceed please.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.