You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. What can I do for you at this moment?

USER: Can you please help me in booking my flight ticket from DEN to LAX?

ASSISTANT: Do you need a stop over in between the journey?

USER: I prefer a connected flight.

ASSISTANT: On which dates would you like to depart and return?

USER: My planned travel dates are Oct 22-24.

ASSISTANT: Do you have any other specifications?

USER: I want to return in the afternoon.

ASSISTANT: May I know your good name please?

USER: Myself, Joseph Brown.

ASSISTANT: There are no flights found on your requested dates.

USER: Ok, no issues. Thank you for your help.

ASSISTANT: Thank you for reaching us.