Hello.
user
Hello. How may I help you?
assistant
I am Donna Lopez. I want to book a ticket from LAS to IAH to attend seminar, can you help me in booking?
user
May I know your travel dates?
assistant
I am departing on 05/28 and return on 05/30.
user
Sorry for this inconvenience, I could not find any flight with your requirements.
assistant
That's ok, thank you for your information.
user
Most welcome.
assistant