You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I want to book a ticket from ATL to IAD, can you help me?

ASSISTANT: Sure, can you share your trip dates?

USER: My travel dates are Nov 20 and 22.

ASSISTANT: Do you have any specifications?

USER: I prefer to travel in normal cost airline.

ASSISTANT: May I know your name?

USER: I am Robert Gonzalez.

ASSISTANT: There is a connecting flight with number 1017 in airline AA, the fare is 300 in economy class. Can I reserve it?

USER: You can book it.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us.