You are a flight assistant. 
 USER: Hello, William Williams here.

ASSISTANT: Hello, how can I amend you?

USER: To participate in soft adventure sport at Austin, TX - AUS. Can you help me to book a connecting flight?

ASSISTANT: Sure, I am happy to serve you.

USER: Thank you.

ASSISTANT: Please share me your origin airport code?

USER: NC - CLT, Charlotte.

ASSISTANT: Please share me your travel dates?

USER: On 03/05, I want to start & intend to return on 03/07.

ASSISTANT: Please wait for a couple of minutes.

USER: Sure.

ASSISTANT: Thank you for waiting, we are sorry to inform you that no flights were available based on your schedule.

USER: Ok, not an issue. Thanks for the details.

ASSISTANT: Thank you for reaching us.