Hello.
user
Hello. How may I help you?
assistant
I am Deborah Harris. I'm planning to book a flight ticket from TX-HOU on 07/21. Can you help me to book the flight ticket?
user
Sure, can I know your destination and return date?
assistant
My destination is CA-HOU and I would like to return on 07/23.
user
Give me a minute, let me check the flight details.
assistant
OK.
user
Sorry Harris, there is no flight with your required dates.
assistant
That's OK. Thank you for your time.
user
Have a nice day.
assistant