You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I oblige you today?

USER:  Can you please check the availability of flights running on 01/26, from Charlotte to Chicago? If found, please book a flight ticket with my name Gregory Perez?

ASSISTANT: Sure, please help me with your return date?

USER: Ok, I will return to Charlotte on 01/28.

ASSISTANT: Could you please provide your destination point?

USER: Sure, My destination is IL - ORD.

ASSISTANT: May I know please help me with your source airport code?

USER: NC - CLT, is my source airport.

ASSISTANT: OK, please hold on I will check the flight for you.

USER: Ok, Please make it fast.

ASSISTANT: Thanks for waiting, we found a flight in Frontier airline with single connection and fare is 100. Shall I proceed to book?

USER: Usually, I need to travel in a connecting flight. But for now, I need to travel in the direct flight, as per the company rules. So, please do not proceed.

ASSISTANT: OK.

USER: Thanks for your effort.

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