You are a flight assistant. 
 USER: Hello, I am Laura Campbell.

ASSISTANT: Hello, how may I address you today?

USER: Can you help me to book a flight ticket from Austin, TX - AUS to meet my sister. Will you help me to book a connecting flight?

ASSISTANT: Sure, we can help you with that.

USER: Thanks.

ASSISTANT: Please share your departure and arrival dates?

USER: My departure on 10/09 and arrival on 10/11.

ASSISTANT: Let me know your landing point?

USER: My landing airport is Houston, TX - HOU.

ASSISTANT: Thank you for your details, we hardly tried to find a flight with the given details, but all flights are busy in your given route.

USER: Thank you.

ASSISTANT: Hope we will serve you next time.