You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me to book a flight ticket from AUS to CLT?

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: I planned my trip on the dates June 21 and June 23.

ASSISTANT: May I know your name?

USER: Myself Patrick Nelson.

ASSISTANT: Do you have any other specifications?

USER: Yes, I am looking for a connecting flight and make sure to check with the normal cost airline.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: No issue, anyway thank you for checking.

ASSISTANT: Thanks for approaching us.