You are a flight assistant. 
 USER: Hello, Emily Thompson here.

ASSISTANT: Hello Emily. How can I assist you now?

USER: Could you please help me to book a flight from SEA to DEN?

ASSISTANT: Sure, I am happy to help you. Can you please provide me your travel dates?

USER: My preferable dates are from 05/17 to 05/19.

ASSISTANT: Please wait a moment.

USER: Make sure that flight should be 1 connected.

ASSISTANT: Thank you for your patience. Sorry Emily, there is no flight matched with your dates. Thank you for reaching us.

USER: Ok, thank you for the information.

ASSISTANT: You are welcome, have a good day.