You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Please book me a flight ticket from ATL to DFW to meet my family.

ASSISTANT: Sure, may I know your planned travel dates please?

USER: I have planned to travel on Feb 22nd and return on Feb 24th.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I like connecting flight.

ASSISTANT: Do you have any class preference?

USER: I am ok with any class.

ASSISTANT: May I know your good name please?

USER: Richard Adams.

ASSISTANT: Do you have any particular time for departing and returning?

USER: I am ok with any time.

ASSISTANT: We found Delta airline with economy class and flight number is 1000 with arrival time is 11:00 hours and departure time is 18:00 hours.Shall I proceed for booking?

USER: Ok, please book this ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: You are welcome.