You are a flight assistant. 
 USER: Hello. I am Laura Martinez.

ASSISTANT: Hello, how may I serve you today?

USER: I need book a flight ticket from DEN to IAH, Can you please help me for booking?

ASSISTANT: Sure, help me with your preferred travelling dates?

USER: I would like to travel on 09/06 to 09/08.

ASSISTANT: Do you need any lay out in between the journey?

USER: I need a connecting flight.

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

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for reaching us.