You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Please help me to book a flight ticket from DFW to PHL.

ASSISTANT: Sure, can you share your travel dates please?

USER: My travel dates are from Sept, 14 to Sept, 16.

ASSISTANT: May I know your good name please?

USER: William Gonzalez.

ASSISTANT: Let me know your connection limit please.

USER: I need a single connecting flight.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: We found a connecting flight 1022 in Spirit airlines with cost 100. Shall I proceed for booking with economy class?

USER: Please proced.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for reaching us.