You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jason Walker here.

ASSISTANT: How can I help you?

USER: I want to attend a Seminar in Charlotte. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am ready to help you. May I know on what dates would you like to travel?

USER: My travelling dates are 10/12 and 10/14.

ASSISTANT: May I know your connection limit?

USER: I need single connecting flight.

ASSISTANT: Is there any class preferences?

USER: No.

ASSISTANT: Can you please share your airline preferences?

USER: I want to departure and return on morning.

ASSISTANT: Can you please provide me your airport codes?

USER: My airport codes are ORD and CLT.

ASSISTANT: Sorry, there are no flights found on your trip dates.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for approaching us.