You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Could you help me in booking a flight ticket from IAD to LGA?

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

USER: I will start on Aug 21, return on Aug 23.

ASSISTANT: Do you need any break?

USER: I need a connecting flight.

ASSISTANT: May I know your name?

USER: My name is Amy Collins.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: We found a direct flight with an Frontier airlines, flight number:1020.

USER: Ok, proceed to booking.

ASSISTANT: Your flight ticket has been reserved with an economy class.

USER: Thank you.

ASSISTANT: Thank you for reaching us.