You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Please book a flight ticket from ATL to HOU.

ASSISTANT: May I know your itinerary dates?

USER: My trip is in Apr from 19th to 21st.

ASSISTANT: Do you prefer a direct or connecting flight?

USER: I prefer a connecting flight.

ASSISTANT: In which class do you prefer to travel?

USER: I am fine with any class.

ASSISTANT: May I know your name?

USER: Jason Brown here.

ASSISTANT: Please hold on for a while.

USER: sure, take your time.

ASSISTANT: Direct flight is provided by Delta airlines with flight number 1005 and ticket costs you 100 in economy class.

USER: Yes, please proceed.

ASSISTANT: Your ticket is confirmed Jason Brown.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.