You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Daniel Johnson. Please book me a ticket from AUS to CLT to meet my family.

ASSISTANT: Sure, let me know your travel dates please?

USER: I have planned to travel on 06/24 and 06/26.

ASSISTANT: Do you need any stopover in between your journey?

USER: I need a halt.

ASSISTANT: Do you need any other specifications?

USER: I need a halt.

ASSISTANT: Thanks for your details, please wait for a moment.

USER: Ok.

ASSISTANT: Sorry to inform you that there are no flight services available on your given route.

USER: Ok, no problem. Thank you.

ASSISTANT: Thanks for reaching us, have a nice day.