You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Please help me in booking flight ticket from ATL to LAS.

ASSISTANT: Could you please provide your journey dates?

USER: My trip dates are Jan 30 to Feb 01.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Is there any specification?

USER: My depart should be in the afternoon.

ASSISTANT: May I know your name?

USER: Margaret Lopez.

ASSISTANT: Ok. I have found direct flight with Delta airlines for price 100. Shall I book a ticket?

USER: You can proceed.

ASSISTANT: Your ticket is booked having flight number 1013 which departs at 14:00 hours and arrives at 14:00 hours.

USER: Thank you.

ASSISTANT: Thanks. Have a nice day!.