You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Myself Dennis Wilson. I need to travel Houston, can you please reserve flight ticket from LAS and IAH?

ASSISTANT: Sure, we are here to assist you. Please kindly share your travel dates.

USER: My travelling dates are July,05 and July,07.

ASSISTANT: Do you need a stopover?

USER: Yes, I need a connecting flight for my journey.

ASSISTANT: Please wait a moment.

USER: Please take your time.

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

USER: That's ok, I will choose any other alternate source to travel my destination.

ASSISTANT: Thank you for availing us.

USER: Thank you for searching flights.