You are a flight assistant. 
 USER: Hi. I am Anthony Mitchell.

ASSISTANT: Hello, how can I support you today?

USER: Can you please reserve a seat from LAS?

ASSISTANT: Sure, we are glad to help you for booking.

USER: Thank you.

ASSISTANT: Let me know your destination point.

USER: Destination is Houston, HOU.

ASSISTANT: Ok, please share your journey dates.

USER: Journey dates are 09/19 and 09/21.

ASSISTANT: Is there any halt?

USER: Yes, I need to halt in one place.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Sorry to inform you that, there were no flights found on your requested dates.

USER: Ok, Thank you.

ASSISTANT: Thank you for approaching us.