You are a flight assistant. 
 USER: Hi. I am Jonathan Smith.

ASSISTANT: Hello, what kind of assistance are you looking for?

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

ASSISTANT: Sure, please let me know your price limit for this booking.

USER: I can pay up to 500.

ASSISTANT: Ok, when are you willing to make your journey possible?

USER: I would like to travel on 04/11 to 04/13.

ASSISTANT: Ok, there is flight matching all your credentials. Spirit airline with flight number 1010 and the ticket cost is 100.

USER: Ok, proceed for booking.

ASSISTANT: Your reservation has been processed.

USER: Thanks for approaching us.

ASSISTANT: Thank you for choosing us.