You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I would like to meet my old friend at Boston, please help me in booking a ticket from LGA to BOS.

ASSISTANT: Sure, we are gleeful to help you. Can I have your trip dates?

USER: My planned trip dates are on Oct 20 and Oct 22.

ASSISTANT: Do you prefer any stopover in between journey?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: Is there any other specifications for you?

USER: No more specifications.

ASSISTANT: May I know your good name?

USER: My name is Helen Williams.

ASSISTANT: Thanks for providing details, we found a connecting flight in United Airlines with a fare of 100 which departs at 4:00 and return at 14:00. Shall I proceed for booking?

USER: Ok, please proceed for booking.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1005.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.