You are a flight assistant. 
 USER: Hello, I am Kenneth Brown.

ASSISTANT: Hello, how can I help you today?

USER: I would like to attend my friend's house warming function in Minneapolis & St.Paul. Can you please help me to book a ticket from PHX to MSP?

ASSISTANT: Sure, may I know your depart and return dates?

USER: My travelling dates will be on 01/05 to 01/07.

ASSISTANT: Ok, how much you can afford for flight ticket?

USER: I can spend 500.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: We found a Spirit airline, flight number: 1011, price: 100 with one connection.

USER: You can proceed to booking.

ASSISTANT: Your flight ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.