You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: My name is Betty Gonzalez. I am looking to book a flight ticket to meet my friend in Philadelphia. Can you help me for booking a flight ticket from BOS to PHL?

ASSISTANT: Sure, can you please specify me your dates of travel?

USER: My travelling dates are Apr 27 and Apr 29.

ASSISTANT: Ok, may I know your connection limit?

USER: I need a single connecting flight.

ASSISTANT: Do you have any other specifications?

USER: My departure time is afternoon.

ASSISTANT: I found a connecting flight-1020 in a business class, shall I confirm it?

USER: Ok, please confirm my ticket.

ASSISTANT: Ok, booking is done on Hawaiian airlines.

USER: Thank you for booking.

ASSISTANT: Welcome, have a happy flight.