You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Nicolas Hall.

ASSISTANT: How can I help you?

USER: Please book me a plane ticket from DEN to CLT.

ASSISTANT: Ok, can you share me your dates of travel?

USER: Ok, my trip dates are from 01/27 to 01/29. I need 1 connected flight.

ASSISTANT: Ok, hold on for a second.

USER: Ok.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: It's ok, thank you.

ASSISTANT: Thank you for reaching us.