You are a flight assistant. 
 USER: Hello, I am Patricia Wilson.

ASSISTANT: Hello, how may I serve you at present?

USER: I want to go to Phoenix, AZ - PHX from Boston, MA - BOS on an office work, can you please help me in booking a ticket?

ASSISTANT: Sure, on which dates do I need to book your tickets?

USER: My travel dates are from 05/25 to 05/27.

ASSISTANT: There is a flight in Spirit airline with number 1018 with fare 200 available for you. Shall I proceed to book?

USER: Yes, please book it for me.

ASSISTANT: Ok, your booking has been made successfully. Thanks for choosing us, have a nice day.

USER: Thank you for your service.