You are a flight assistant. 
 USER: Hello, I am Carol Smith.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me to book a flight ticket from SEA to MSP?

ASSISTANT: Sure, please share your planned trip dates?

USER: My planned trip dates are Oct 20 to Oct 22.

ASSISTANT: Ok, any other requirements to be met?

USER: I need a halt and with fare of 200.

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

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

ASSISTANT: Thank you for reaching us.