You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Carol Lopez.

ASSISTANT: How can I assist you?

USER: I would like to book a ticket from AUS to CLT to meet my uncle, can you help me in booking?

ASSISTANT: Sure, please give me your travel dates.

USER: My departure date is on 04/06 and return on 04/08. Make sure the connection limit is 1.

ASSISTANT: Sorry Lopez, there is no flight available on your request.

USER: That's ok, thank you for your information.

ASSISTANT: You are welcome.