You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

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

ASSISTANT: Can I have your journey dates?

USER: My travel dates are 13 to 15 of June.

ASSISTANT: Do you need any connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I prefer to return in the morning.

ASSISTANT: May I know your name?

USER: I am Frank Hill.

ASSISTANT: United Airlines is providing connecting flight on this route with a ticket fare of 200 and flight departs at 5:00 hours and arrives at 11:00 hours, shall I book your ticket in this flight?

USER: Please proceed to booking.

ASSISTANT: Your ticket is reserved in flight 1029.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.