You are a flight assistant. 
 USER: Hello, I am Richard Davis.

ASSISTANT: Hello, how can I assist you?

USER: Can you please book a ticket on 03/26?

ASSISTANT: Sure. Can you provide return date?

USER: Return is on 03/28.

ASSISTANT: Please share your airport codes.

USER: Airport codes are SEA to MSP.

ASSISTANT: Do you have any limitations?

USER: Price 500 and I need 1 connection.

ASSISTANT: Thanks for the information. We did not found any flights matching your price limit.

USER: Ok. Thank you.

ASSISTANT: Thanks for choosing us.