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 BOS to LGA.

ASSISTANT: May I know your planned travel dates?

USER: My journey dates are from July, 21 to July, 23.

ASSISTANT: Do you have any limits on number of connections?

USER: I need a single connecting flight.

ASSISTANT: Do you have any another specifications on  your journey?

USER: I prefer to depart in the afternoon.

ASSISTANT: May I know your name for the booking process?

USER: Frank Campbell.

ASSISTANT: Spirit Airlines providing a flight with the price 300 with single connection and depart time is 15.00 hours. Can I proceed for the booking?

USER: Please proceed for booking.

ASSISTANT: Your flight ticket reservation done with the flight number 1014.

USER: Thank you.

ASSISTANT: Welcome, thank you for reaching us.