Hello.
user
Hello. How may I help you right now?
assistant
Can you help me to book a flight ticket from PHX to IAD?
user
Sure, I am glad to help you with that. Can you please provide your preferable dates of travelling?
assistant
Please book a ticket for the dates Aug 17 and Aug 19th respectively.
user
At what time would you like to departure and return?
assistant
No preferred timing for this journey.
user
Do you have any connection limit for this journey?
assistant
Ok, please book a connecting flight.
user
May I know your name to book the flight ticket?
assistant
My name is Jessica Green.
user
Any more specifications do you have?
assistant
Please check for a normal-cost airlines.
user
We regret to inform you that, there are no normal cost airlines are available for your journey with your requested dates of travelling.
assistant
That is ok, thank you for assisting me.
user
Thank you for approaching us,  have a great day.
assistant