Hello,.
Hello. How can I aid you?
Please book a ticket from Las Vegas, NV-LAS to Houston, TX-IAH.
Sure, may I know your travel date?
Departure date is 11/23 and 11/25 is my return.
Do you have any preference?
Price limit is 1000. Connections limit is 1.
Ok, may I know your good name?
I am Margaret Perez.
 Please wait I will revert you.
Sure.
Sorry to inform you that no flights are available on your travel dates.
Thanks.
 Thank you for availing us.