You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I would like to attend music concert at Los Angeles, can you please reserve flight ticket from PHL to LAX?

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

USER: My travelling dates are Sep, 13 and 15 respectively.

ASSISTANT: Can you please share your connection limit?

USER: I prefer connecting flight to travel.

ASSISTANT: Is there anytime concern.

USER: Yes, I prefer to travel in business class and return time should be at evening.

ASSISTANT: May I know your name please?

USER: Mary Adams here.

ASSISTANT: Wait a moment please.

USER: Sure, I will wait.

ASSISTANT: Frontier airlines is providing connecting flight for you with the fare of 900 in business class which return in 21:00, shall I proceed with the booking?

USER: Please proceed for booking.

ASSISTANT: Your ticket is booked with the flight-1019.

USER: Thank you for your information.

ASSISTANT: Thank you for reaching us.