Hello. I am Rebecca Scott.
user
Hello, How can I help you?
assistant
  I would like to visit Houston Arboretum and Nature Center at Houston, HOU. Can you please help me book a flight ticket from New York, NY - EWR?
user
Sure, Please help me with your travel dates.
assistant
I preferred to travel on 07/12 and return on 07/14.
user
Please wait a minute.
assistant
OK.
user
There is no flight with your respective dates of travel.
assistant
OK, not a problem. Thanks for the information.
user
Thank you for reaching us.
assistant