You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Jacob Allen. Can you help me to book a flight ticket from BOS to PHL?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My trip dates are 29 Dec and 31 Dec.

ASSISTANT: Do you have any specifications?

USER: I need a connection limit and depart time in the afternoon.

ASSISTANT:  Is there any class preference for you?

USER: No.

ASSISTANT: Please wait for a moment.

USER: Sure, take your own time.

ASSISTANT: We found an airline: Southwest, flight number: 1021 and price is 100 with one connection.

USER: Proceed with the booking.

ASSISTANT: Your flight ticket has been reserved in economy class. Your depart time is 15:00PM.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us.