Hi,. I am Christopher Gonzalez.
user
Hello, how can I help you?
assistant
I need to reach Houston, TX - HOU on Nov 19 as I have an appointment with my doctor. Can you book me a flight ticket from New York, NY - EWR?
user
Sure, Let me know when you are planning to start your journey to Houston.
assistant
Yes, its on Nov 19. and I would catch a return flight on Nov 21.
user
Please wait a moment, I will check the availability and get you back.
assistant
OK.
user
Thank you for waiting, Unfortunately we found no flights matching your requirements.
assistant
OK. Thanks for your response.
user
Thank you for choosing us, Have a nice day.
assistant