You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me to book a ticket from CLT to ATL?

ASSISTANT: Sure, I will help you to book a flight ticket. Can you please share me your travelling dates?

USER: My travelling dates will be on Mar 2 to Mar 4.

ASSISTANT: Ok, do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Ok, may I know your specifications?

USER: I would prefer business class.

ASSISTANT: Ok, please provide me your name.

USER: Alexander Rodriguez here.

ASSISTANT: Sorry, no flights are available on your route.

USER: Ok, not an issue. Thank you.

ASSISTANT: Welcome, have a nice day.