You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Nancy Lee here. I want to watch tennis match at Atlanta, so please book my ticket from LAX to ATL.

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

USER: My itinerary dates are July 9 and July 11.

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

USER: I want to depart in the afternoon.

ASSISTANT: Do you have any other preferences?

USER: I need a connecting flight.

ASSISTANT: Do you have any class preferences?

USER: No.

ASSISTANT: We found Delta airlines with price 300 and economy class and flight number is 1001 with arrival time is 2 AM and departure time is 15 PM.Shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.