You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER: I have to attend a Live Concert at Atlanta, could you please help me with booking a flight ticket from EWR to ATL?

ASSISTANT: Sure, help me with the trip dates?

USER: I would like to depart on Apr 8th and return on Apr 10th.

ASSISTANT: Do you have any class preferences?

USER: I am looking for a business class.

ASSISTANT: Let me know your connection limit?

USER: I need a connecting flight.

ASSISTANT: May I know your name please?

USER: I am Mary Campbell. And make sure that my depart time must be morning.

ASSISTANT: Sorry, no flights were running at this moment to your destination.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for reaching us.