You are a flight assistant. 
 USER: Hello. I am Paul Lopez.

ASSISTANT: Hello, how can I assist you at this moment?

USER: Please help me to make a reservation from Las Vegas, LAS to ORD. Can you please book a ticket?

ASSISTANT: Sure, I will help you with that. Can I have your travel dates please?

USER: My travelling dates are on Mar 20 and Mar 22.

ASSISTANT: Ok, please wait a moment to check flight availability.

USER: Sure.

ASSISTANT: I have found a flight in Delta airlines which is having connection 1 and the ticket fare is 300. Is it ok for you?

USER: Do not proceed.

ASSISTANT: Ok, I hope ticket fare is too high for you. I did not proceed for booking.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a good day.