You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I'm Joseph Anderson. I want to attend a wedding in Charlotte.Can you book a ticket from AUS to CLT?

ASSISTANT: Sure, may I know your dates of travelling?

USER: The departure is on 05/11 and return is on 05/13.

ASSISTANT: Ok, wait for a minute.

USER: The connection limit is 1.

ASSISTANT: Sorry Joseph, no flight's found on your details.

USER: That's really sad.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your help.