Hello. Kevin Wright here.
Hello Kevin, How are you doing today?
Yes, I am doing good.
And how can I assist you today?
I have to attend an important meeting in Chicago, so could you please help me to book a flight from IAH to ORD?
sure, I could do that. Could you tell me your travel dates?
I am heading from my location on 04/23 and please book a return ticket also on 04/25. Please ensure that flight should be with connection 1.
Would you like to add any other preferences in your  ticket? Please wait for a moment.
Yes, please search for a flight with in the fare of 500. Ok.
Sure. Extremely sorry to say this Kevin but we don't have any flight for this day available.
Oh, sad to hear.
You could check with us again this evening.
Anyways, thank you for the information.
If any I can put you on priority.
Nothing, thank you.
Sorry for the inconvenience Kevin. Hope you have a great day.