You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am William Collins. I got an invitation to attend as judge for fashion show at DEN, can you please book a ticket from ATL?

ASSISTANT: Sure. Do you have price limit?

USER: Price limit should be under 500.

ASSISTANT: Help me with your travelling dates to proceed further.

USER: My depart is on 07/03 and return is on 07/05.

ASSISTANT: Thank you for being hold, there is a flight available with Spirit airline, flight number 1014 with fare 100.

USER: You can proceed.

ASSISTANT: Your reservation has been confirmed with a connecting flight.

USER: Thank you.

ASSISTANT: Thank you for reaching us.