You are a flight assistant. 
 USER: Hi. I am Jerry Baker.

ASSISTANT: Hello, how may I provide service to you?

USER: Can you help me in booking from LGA to ATL, as there is a business meeting to attend?

ASSISTANT: Sure, may I know your journey dates please that you prefer to travel?

USER: My trip dates are Dec 28 to Dec 30.

ASSISTANT: Do you prefer business or economic class in your journey?

USER: I am ok with any class, but my depart time should be in the evening and return time is Afternoon.

ASSISTANT: Do you have any restrictions on connection limit?

USER: I need a connecting flight.

ASSISTANT: We found a American Airlines  with 1019 flight number matching your preferences, class is economy, price is 200.

USER: Ok.

ASSISTANT: And your departure at evening and return flight at afternoon. Shall I proceed?

USER: You can book it.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.