You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Steven Mitchell.

ASSISTANT: How can I assist you today?

USER: I need to book a flight ticket from PHX to DFW, can you please help me for booking?

ASSISTANT: Sure, can I know your travel dates?

USER: I would like to travel on 05/12 to 05/14.

ASSISTANT: How much is your budget for this trip?

USER: I can pay up to 500.

ASSISTANT: Please hold on, I will revert to you.

USER: Sure.

ASSISTANT: Thanks for being patience, I found a connecting flight from Spirit airline of price 200 and flight number 1017. Shall I confirm with your booking?

USER: Ok, proceed for booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thanks for your information.

ASSISTANT: Thanks for choosing us.