Hi.
user
Hello, how may I help you?
assistant
I am Mark Young, can you book a ticket for me from HOU to JFK?
user
Sure, may I know your trip dates?
assistant
Ok, my planned dates should be 08/09 and 08/11.
user
Ok, please wait for a while.
assistant
Sure, take your own time.
user
Sorry Mark, there is no flight available on your preferred travel dates.
assistant
It's ok, thanks for your information.
user
You are welcome and thank you for choosing us.
assistant