You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Myself Stephanie Bake. Will you help me in booking the flight ticket from ORD to SFO?

ASSISTANT: Sure, I am happy to help you with that. Can I have your planned trip dates?

USER: My travelling dates are Dec 11 and Dec 13. I need a flight with single connection.

ASSISTANT: Please wait for a minute.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry to say that, there are no flight's available based on your travelling dates.

USER: Ok, not an issue.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.