You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I serve you at this moment?

USER: Will you please aid me in booking a flight ticket from LAS to SFO?

ASSISTANT: Sure, may I know your travelling dates please?

USER: My travelling dates are May 30th and June 1st.

ASSISTANT: Ok, can I have your class preference?

USER: No.

ASSISTANT: Ok, do you need a stop over in between the journey?

USER: Yes, I need a stopover.

ASSISTANT: Can I know your good name please?

USER: Elizabeth Allen.

ASSISTANT: We found a Spirit airlines with fare of 200 and a lay by in between the journey matches your schedule.

USER: Please reserve it.

ASSISTANT: Your ticket has been confirmed with flight number 1001.

USER: Thank you.

ASSISTANT: Thank you for reaching us.