You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you out?

USER: Can you please help me with booking a flight ticket from CLT to BOS?

ASSISTANT: Sure, we are here to help you. May I know your travelling dates?

USER: My travel dates are Apr 19 and 21.

ASSISTANT: Do you have any lay by in between journey?

USER: I need a connecting flight.

ASSISTANT: Is there any other specifications for you?

USER: I prefer to travel in economy class.

ASSISTANT: May I know your good name?

USER: My name is Michael Harris.

ASSISTANT: We found a connecting flight in Southwest airline with a fare of 100 which departs at 5:00 and return at 12:00. Shall I proceed for booking?

USER: You can proceed with booking.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1002.

USER: Thank you.

ASSISTANT: Thank you for opting us.