You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I am planning to attend a comic con in Charlotte, could you please help me to book a flight ticket with single connection?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: Sure, I am planning to start on 12/20 and my return date will be on 12/22.

ASSISTANT: Please provide your airport codes.

USER: My source and destination airport codes are LGA and CLT.

ASSISTANT: Do you have any preferences about flight connections?

USER: I have already mentioned above.

ASSISTANT: Do you have any preferences about class?

USER: No more specifications, please proceed.

ASSISTANT: Please mention your name.

USER: I am Donna Baker.

ASSISTANT: The American airlines providing an economy class flight with price 200 and the connections 1. Shall I confirm your ticket?

USER: That's fine, you can book the ticket with this airline.

ASSISTANT: Your ticket is booked. The flight number is 1006.

USER: Thank you for your assistance in booking.

ASSISTANT: Welcome, have a great day.