You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please find a flight from Chicago in an economy class? Because I have to visit Houston city for the business purpose.

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Are you looking for a stopover in your journey?

USER: Yes, I am looking for a single stop over in between my journey.

ASSISTANT: May I know your name please?

USER: My name is Kenneth Garcia.

ASSISTANT: Tell me your airport codes please?

USER: Sure, the source airport code is ORD and the destination airport code is HOU.

ASSISTANT: Tell me your travel dates please?

USER: The planned travel dates are Sept 03 and Sept 05.

ASSISTANT: Please wait.

USER: Ok, take your time.

ASSISTANT: Thanks for your patience. I have found Hawaiian airlines which is a lay-by flight.

USER: If  this flight ticket is an economy class, then proceed with the ticket booking.

ASSISTANT: I have confirmed your flight ticket in flight number 1001.

USER: Thanks a lot for you help.

ASSISTANT: Thank you.