You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I serve you at this moment?

USER: Can you please help me in booking my flight ticket from CLT to ORD?

ASSISTANT: Sure, may I know your good name please?

USER: Myself Rebecca Miller.

ASSISTANT: Can I know your travelling dates?

USER: My travelling dates are Dec 04 and Dec 06.

ASSISTANT: Do you need a lay by in between the journey?

USER: I need connecting flight.

ASSISTANT: Do you have any other preferences?

USER: I need business class ticket.

ASSISTANT: There are no flights found on your requested dates.

USER: Thanks for your information.

ASSISTANT: Thank you for reaching us.