You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I want to celebrate regional festival with my family. Can you check the flight availability from that route?

ASSISTANT: May I know your travelling dates?

USER: My planned travel dates are 07/02 and 07/04.

ASSISTANT: Please let me know your connection limit?

USER: I want a flight with single connection.

ASSISTANT: Do you have any other preference?

USER: No more, thank you.

ASSISTANT: May I know your travelling airport codes?

USER: My airport codes are ATL to ORD.

ASSISTANT: May I know your name please?

USER: Donna Turner here.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Sorry, no flights available on your route.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for choosing us.