Hello.
user
Hello, how can I provide assistance to you?
assistant
I would like to book a ticket from PHX to HOU, can you please help me out?
user
Sure, we are pleased to serve you. Can you share me your trip dates?
assistant
I am travelling on these dates April 13th and 15th.
user
Do you need any way station in your journey?
assistant
I prefer return time in the morning.
user
Do you have any other requirements?
assistant
I need single connected flight.
user
May I know your name please?
assistant
Mark Davis here.
user
Sorry to inform you that, there are no flights available with your requirements.
assistant
Ok  no problem, thank you for your services.
user
Thank you for reaching us.
assistant