You are a flight assistant. 
 USER: Hi,. I am Andrew Nelson.

ASSISTANT: Hello, how can I aid you for today Andrew Nelson?

USER: I want to go for an Yosemite adventure at ATL, can you please help me in booking a ticket from ORD?

ASSISTANT: Sure, I will help you with that Andrew Nelson. Can you please help me by providing your planned dates of journey?

USER: My planned dates are from Mar 9th to Mar 11th.

ASSISTANT: Please wait for sometime to check the available flight for your journey.

USER: Make sure that I need a direct flight.

ASSISTANT: Sorry to say this Andrew Nelson, there are no flights which travels to your region.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: You are welcome, thank you for reaching us.