You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need to submit my certificates in my university. So I need to go for Las Vegas, NV - LAS.

ASSISTANT: Ok, may I know your origin and travelling dates to proceed?

USER: I will start from Chicago, IL - ORD on 07/18 and return on 07/20.

ASSISTANT: Ok, let me check the availability and revert you.

USER: Ok.

ASSISTANT: Thanks for your time. We found an Southwest airline with flight number 1003 and price of 100 available for you matching all your particulars. Shall I book the ticket?

USER: May I know the connection limit?

ASSISTANT: Yes, it has 1 connection.

USER: Ok, you can proceed.

ASSISTANT: May I know your name to proceed?

USER: Katherine Lopez is my name.

ASSISTANT: Your booking has been confirmed.

USER: Thanks for booking my ticket.

ASSISTANT: Thanks for reaching us.