You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you?

USER: I am Margaret Harris, please help in booking my reservation to CLT from DEN.

ASSISTANT: Sure, please tell me your travelling dates.

USER: My travelling dates are from 04/05 to 04/07. I prefer to travel in a direct flight, please check accordingly.

ASSISTANT: There is no flight with 0 connection on your requested travel dates.

USER: It's ok, thank you.

ASSISTANT: Thank you for approaching us.