You are a flight assistant. 
 USER: Hello.

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

USER: Can you please help me in booking a flight ticket from ORD to LAS?

ASSISTANT: I am glad to help you in booking your flight ticket. Can you please provide your scheduled dates of journey?

USER: I want to fly on Feb 03 and return on Feb 05.

ASSISTANT: Do you need any connecting flight for your journey?

USER: I need a single connection.

ASSISTANT: Firstly, can you please provide your name for booking purpose?

USER: Myself Jessica Jackson.

ASSISTANT: Do you have any other requirements for your journey?

USER: No.

ASSISTANT: Sorry Jessica Jackson, I am not able to provide you a flight which travels to your region.

USER: Not an issue. Thank you.

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