You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Alexander Rodriguez. I am planning to visit LAS to meet my friend, can you please find a flight from HOU?

ASSISTANT: Sure, I will help you to book a flight ticket. Can you please share me your travelling dates?

USER: My planning dates are from 03/02 till 03/04.

ASSISTANT: Please allow me a moment.

USER: I need a direct flight.

ASSISTANT: Sorry Rodriguez, no direct flights are available on your route.

USER: That's ok, thank you for checking.

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

USER: welcome.