You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Justin Walker here.

ASSISTANT: How can I help you?

USER: I would like to visit Atlanta to attend a business meeting, can you help me to make a flight reservation from LAS to ATL?

ASSISTANT: Please help me with your travel dates.

USER: My travelling dates are Mar, 15 and Mar, 17.

ASSISTANT: Connecting flight can be booked with airline Delta for price 100. Shall I book a ticket?

USER: That's nice, you can proceed with this airline.

ASSISTANT: Your ticket is booked with airline Delta.

USER: Thanks for your help and information.

ASSISTANT: Flight number is 1004.

USER: Thank you.

ASSISTANT: Thanks.