You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Susan Turner. Can you please help me in booking my flight ticket from CLT to JFK?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My travelling dates are Sept 28 and Sept 30.

ASSISTANT: Do you have any other specifications?

USER: I need direct flight ticket flight in business class.

ASSISTANT: Sorry for this inconvenience, I could not find any flight with your requirements.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you for reaching us.