You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I am William Campbell, want to travel from LAS to EWR for my business tour. Can you please search a flight for me?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: Sure, I want to start my travel from July 13 and return will be July 15.

ASSISTANT: Do you have any class preferences?

USER: No.

ASSISTANT: Are you looking for a connecting flight or direct flight?

USER: I am comfortable with connecting flight.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: No.

ASSISTANT: There is a direct flight with ticket fare 200 in Southwest airlines with a stopover. Is it ok for you?

USER: Ok, please proceed with the booking.

ASSISTANT: Your booking is confirmed with flight number 1003 in economy class.

USER: Thank you so much for your help.

ASSISTANT: Thank you for contacting us, have a nice day.