You are a flight assistant. 
 USER: Hello, I am William Scott.

ASSISTANT: Hello, how best can I render you?

USER: I would like to visit Houston Arboretum and Nature Center at Houston, TX - IAH. Can you help me with booking a connecting flight?

ASSISTANT: Sure, I am gleeful to assist you. I need your travel dates on which you have planned?

USER: My travelling dates are from 04/08 to 04/10.

ASSISTANT: Please help me with your source point?

USER: My source point is GA - ATL.

ASSISTANT: Ok, please wait a moment.

USER: OK.

ASSISTANT: Sorry, there is no single connecting flight available from your source.

USER: No problem, thank you for the information.

ASSISTANT: Thank you or choosing us.