You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: Steven Collins here. I want to meet my school friend, so please book my ticket from LGA  to ORD.

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My travelling dates are 03/06 to 03/08.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: Yes, I want 1 stopover in between my journey.

ASSISTANT: Do you have any class preferences?

USER: I am comfortable with any class.

ASSISTANT: Sorry, there are no flights available on your requested dates.

USER: No issues, thank you for your response.

ASSISTANT: Thank you for contacting us, have a nice day.