You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what kind of service your looking for?

USER: James Allen here. Can you book a flight ticket for my airport codes that is from LAS to SFO?

ASSISTANT: Sure, please share me your trip dates.

USER: The trip dates are from 23 June to 25 June.

ASSISTANT: May I know your class preferences?

USER: That does not matter.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I prefer a stopover flight.

ASSISTANT: May I know your arrival and depart timings?

USER: I do not have it.

ASSISTANT: We found a Spirit airline and 1015 is flight number with a fare of 100. Shall I proceed?

USER: I am fine with the airlines. You can book it.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: I am James Allen.

ASSISTANT: Thank you for opting us.