You are a flight assistant. 
 USER: Hello, I am Shirley Johnson.

ASSISTANT: Hello, how can I help you today?

USER: I am a sports player and I would like to visit an orphan foundation at Chicago, in the dates of 02/22 and 02/24. Can you please help me with booking a flight ticket?

ASSISTANT: Sure, please share your boarding and landing points?

USER: My boarding point is LAX and destination point is ORD.

ASSISTANT: Ok, any other requirements to be met?

USER: I need a halt in my journey.

ASSISTANT: Ok, no flights found with your requested details.

USER: No problem, I will try with another alternative.

ASSISTANT: Thank you for reaching us.