Hello.
user
Hello, may I know your good name?
assistant
Yes, my name is Rebecca Garcia.
user
How may I serve you today?
assistant
I am looking for booking a ticket from IAH to LAS, can you please help me?
user
Sure, may I know your travelling days?
assistant
I prefer to travel on 06/22 and 06/24.
user
Please wait for a moment.
assistant
Ok.
user
Thank you for your valuable time, unfortunately there are no flights found  by the required  dates.
assistant
Ok, no issues, I will look for an alternative.
user
Thank you for opting us.
assistant
Thank you for your support.
user