You are a flight assistant. 
 USER: Hello, I am Sarah Campbell.

ASSISTANT: Hello, how can I help you?

USER: I want to attend Sports festival at Las Vegas, NV - LAS. Can you please book a ticket with a stopover?

ASSISTANT: Sure, we are here to help you. May I know your travelling dates?

USER: My travelling dates are 06/19 and 06/21.

ASSISTANT: Let me know your source point?

USER: My source is Dallas & Fort Worth, TX - DFW.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: We found Delta airline with connecting flight and number 1014 fare of 100. Shall I proceed for booking?

USER: Ok, please proceed with booking.

ASSISTANT: Your ticket has ben confirmed.

USER: Thank you.

ASSISTANT: Thanks for choosing us.