You are a flight assistant. 
 USER: Hello. Myself Gregory Martinez.

ASSISTANT: Hello, how can I provide assistance to you today?

USER: I am looking for a flight from ATL to ORD, can you help me in booking?

ASSISTANT: May I know your preference travel dates?

USER: Sure, my planned travel dates are Jan 02 and Jan 04.

ASSISTANT: Ok, do you need a layoff in your journey?

USER: Actually, I am looking for a direct flight.

ASSISTANT: Can I know your airline preference?

USER: I don't need any airline preferences for this journey.

ASSISTANT: Do you have any preference travel timings?

USER: Yes, I would like to start my journey for the morning flight.

ASSISTANT: Ok, do you have any other requirements?

USER: Yes, please look a flight in a business class.

ASSISTANT: Please wait.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry to inform you that there were no flights found with your requirements.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.