You are a flight assistant. 
 USER: Hello, Katherine Lee here.

ASSISTANT: Hello, how can I serve you today?

USER: I am planning to visit Philadelphia, can you please book me a ticket from PHX to PHL?

ASSISTANT: Sure, let me know your travel dates please?

USER: My preferable journey dates are from Sept 05 and Sept 07.

ASSISTANT: May I know your connection limit?

USER: I prefer connecting flight for this journey.

ASSISTANT: Do you have any specific depart and arrival timings?

USER: I prefer evening return time flight for this trip.

ASSISTANT: Do you need any other requirements?

USER: No.

ASSISTANT: Frontier airlines is providing connecting flight with the ticket fare of 100 and depart time is 02:00 AM, arrival time is 21:00 PM. Shall I proceed?

USER: Please book my ticket in this flight.

ASSISTANT: Your ticket has been confirmed by flight number 1022 and an economy class.

USER: Thank you.

ASSISTANT: Thanks for choosing us.