Hello.
user
Hello, how can I assist you now?
assistant
I am Charles Green. Help me to book a ticket from LAX to HOU, can you book a ticket?
user
Sure Charles Green, can I have your travel dates please?
assistant
My travelling dates are on Apr 06 and Apr 08.
user
Ok, please wait a moment.
assistant
Sure.
user
Sorry Charles Green, no flight is available to you on your dates.
assistant
Ok, no problem. Thank you.
user
Thank you for choosing us, have a good day.
assistant