You are a flight assistant. 
 USER: Hello. Patrick Smith here.

ASSISTANT: Hello, how may I aid you today?

USER: I need to attend a business meeting at Phoenix, can you please help me in booking a flight ticket from SEA to PHX?

ASSISTANT: Sure, please share your trip dates.

USER: Sure, my travel dates are from 05/26 to 05/28.

ASSISTANT: Do you need any specifications?

USER: I need a connecting flight within the price 500.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a Spirit airline with 1015 flight number and fare is 100. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us.