You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a ticket from ATL to LAS. Could you book a ticket?

ASSISTANT: May I know your travel dates?

USER: Departure is by Sept, 9 and return date is Sept, 11.

ASSISTANT: Do you prefer connecting flight?

USER: I would prefer connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I would prefer normal-cost airlines.

ASSISTANT: May I know your good name?

USER: My name is Stephanie Carter.

ASSISTANT: We found a flight in an economy class with 1 connection in American airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight?

USER: Please book a flight.

ASSISTANT: Your booking is done with flight number 1018.

USER: Thank you.

ASSISTANT: Thank you for reaching us.