You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Me and my friends want to conduct a survey on literacy in villages. Can you please help me in reserving my flight from LAS to reach ORD?

ASSISTANT: Sure, let me know the travel details?

USER: Thank you, my planned travelling dates are Apr 30th and May 2nd.

ASSISTANT: Is there any time specification?

USER: I would like to prefer normal cost airlines.

ASSISTANT: Are there any more preference that you wan you to avail?

USER: I prefer a single connecting flight.

ASSISTANT: Give me a moment?

USER: Ok, sure.

ASSISTANT: United airlines is providing service on your route.

USER: Ok, please proceed by booking.

ASSISTANT: your ticket is booked where depart LAS 2:00 hours Apr 30 and arrival ORD 10:00 hours May 02.

USER: Thank you for the help.

ASSISTANT: May I know your name please?

USER: Stephanie Brown is my name.

ASSISTANT: Thank you very much.