You are a flight assistant. 
 USER: Hi,. I am Carol Thompson.

ASSISTANT: Hello, How can I serve you?

USER:  I have a plan to visit San Francisco. Can you please book me a flight ticket to visit Twin Peaks?

ASSISTANT: Sure, May I know the journey codes?

USER: I want to board from ORD and land on SFO.

ASSISTANT: Please help me with your journey dates.

USER: I want to travel on 11/08, and need to catch return flight on 11/10.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, no problem. Thanks for the information.

ASSISTANT: Thank you for availing us.