You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you aid me in booking a flight ticket from PHL to PHX?

ASSISTANT: Sure, let me know your travelling dates.

USER: I am planning to start on Apr 19th and return back on Apr 21st.

ASSISTANT: May I know your connection limit?

USER: Make sure that connection limit is 1.

ASSISTANT: Do you have any other requirements?

USER: I prefer to return back in afternoon time.

ASSISTANT: May I know your name please?

USER: I am William Jones.

ASSISTANT: Ok, please wait for a while.

USER: Take your time.

ASSISTANT: We found a Spirit airline, flight number: 1021, return time: 15:00 hours, price: 100 with one connection.

USER: Yes, you can go ahead.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for the support.