You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I'm planning to visit my grand parents, can you book a ticket from PHL to PHX?

ASSISTANT: Sure, I am here to help you. May I know your trip dates?

USER: Sure, my planned departure and return travel dates are 16th and 18th of Feb.

ASSISTANT: Do you have any connection limit?

USER: I'm looking for single connected flight.

ASSISTANT: Is there any class preferences?

USER: No, I don't have any other specifications.

ASSISTANT: May I know your name?

USER: Yes, my name is Jack Johnson.

ASSISTANT: Here, there is a flight with 1 connection in Spirit airlines and price is 100. Shall I book?

USER: That's fine, you can proceed for booking the ticket.

ASSISTANT: Ok, your ticket has been booked with the flight 1027.

USER: Thank you so much for your help.

ASSISTANT: Thank you for choosing us.