You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to book a normal-cost airline to visit Boston for vacation. Can you help me?

ASSISTANT: Sure, I am here to help you out. May I know your travel dates please?

USER: I will fly on Jan 01 and return on Jan 03.

ASSISTANT: Can you please share your airport codes?

USER: My source point is PHX and my destination is BOS.

ASSISTANT: Is there any connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Could you help me with your name please? So, I can check for the flights availability.

USER: My name is Anthony Harris.

ASSISTANT: Delta airlines is providing connecting flight for you with the fare of 100 in economy class, shall I proceed with the booking?

USER: Please proceed with booking.

ASSISTANT: Your ticket is booked with the flight-1004.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.