Hi, I am David Miller.
user
Hello,. How may I help you?
assistant
I want to book a flight ticket from Houston, TX-IAH to meet my aunt at Phoenix, AZ-PHX. So, please book me a flight ticket.
user
Can I know your travelling dates?
assistant
Yes, my travelling dates are 10/21 and 10/23.
user
Do you need halt in between your journey?
assistant
Yes, I need.
user
Sorry, no flights found for your travelling dates.
assistant
     That's ok, thank you for the response.
user
Thanks.
assistant