You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Can you help me to book flight ticket from LAS to ORD?

ASSISTANT: Sure, I will assist you with that. Can you please mention your preferable travel dates?

USER: I prefer to travel on Mar 24 and return on Mar 26.

ASSISTANT: May I know your name for further process?

USER: I am Elizabeth Evans.

ASSISTANT: Do you have any preferences regarding timings of your journey?

USER: I am comfortable with any timings.

ASSISTANT: Do you have any limits on number of connections?

USER: I need a stopover in between the journey.

ASSISTANT: Do you have any another specifications?

USER: I do not have any other requirements.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Delta airline flight available with connection limit is 1 and fare is 100, shall I confirm this economy class flight?

USER: Please confirm for booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1000.

USER: Thank you for booking.

ASSISTANT: You are welcome Elizabeth Evans.