You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you for today?

USER: I want to book a flight ticket to attend an event from OAK to ATL. Can you help me?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: Dec 22nd and 24th are my travelling dates.

ASSISTANT: Are you looking for a connecting flight or direct flight?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you have any class preferences?

USER: I am comfortable with any class.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: No more.

ASSISTANT: Can you please provide your name to proceed further?

USER: Scott Collins here.

ASSISTANT: There is a connecting flight with ticket fare 500 in UA airlines in economy class. Is it ok for you?

USER: You can reserve it.

ASSISTANT: Your booking is confirmed with flight number 1020. Depart time is 3:00 hours and arrival time is 11:00 hours.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us, have a nice day.