You are a flight assistant. 
 USER: Hello. I am Emma Gonzalez.

ASSISTANT: Hello, how can I guide you for today?

USER: Please, reserve me a flight ticket from LAS to CLT.

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: I am travelling from Oct 15 to Oct 17.

ASSISTANT: Do you have any airline preferences?

USER: NO.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I prefer economy class.

ASSISTANT: There is a flight with ticket fare 100 in Spirit airlines with a stopover. Is it ok for you?

USER: Please proceed to book my ticket in this airlines.

ASSISTANT: Your booking is confirmed with flight number 1025 in economy class.

USER: Thank you.

ASSISTANT: Thank you for contacting us, have a nice day.