Hello.
user
Hello. How may I aid you today?
assistant
I am looking to book a flight ticket from BOS to PHX. Can you help me for that?
user
Sure, will your please provide your preferable dates of travelling?
assistant
My travelling dates are Sep 19 and Sep 21.
user
Can I know your name to book the flight ticket?
assistant
My name is George Hall.
user
Any connection limit do you have?
assistant
I would prefer single connecting flight.
user
Do you have any specific depart and arrival time for this trip?
assistant
No.
user
Any other preferences do you have?
assistant
My airline preference is normal cost.
user
Please wait a moment.
assistant
Sure, I will wait for your response.
user
We regret to inform you that, there are no flights available for your journey with your requested dates of travelling.
assistant
That's ok, thank you for checking.
user
Thank you for  reaching to our services, hope you have a great day.
assistant
Welcome.
user