You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you aid me to book a ticket from EWR to PHX?

ASSISTANT: Sure, may I know your name please?

USER: William Brown here.

ASSISTANT: May I know your planned travelling dates please?

USER: My travelling  dates are Oct 15 and Oct 17 respectively.

ASSISTANT: May I know your class preference please?

USER: No class preferences for me.

ASSISTANT: May I know your connection limit please?

USER: I prefer for single connecting flight.

ASSISTANT: Do you have any other specifications please?

USER: My depart should be in the afternoon.

ASSISTANT: There is a connecting flight of fare 200 with economy class in Frontier airline, shall I proceed for booking?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been confirmed with flight number 1022.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.