You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: William Moore here.

ASSISTANT: How may I assist you?

USER: I am looking for a stopover flight for my business trip to Phoenix. Can you book a flight ticket for me?

ASSISTANT: Sure, may I know your travel dates?

USER: The travel dates are from Apr 22 to Apr 24.

ASSISTANT: May I know your leaving point?

USER: The airport codes for the trip are from MSP to PHX.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: We found a economy class flight on your details with American Airlines, flight number: 1008. Shall I book this ticket?

USER: You can book the flight ticket.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you so much.