Hello.
user
Hello, how may I assist you?
assistant
My name is Rebecca Edwards and I want to book the flight ticket from  MSP to IAD. Can you please help me?
user
Sure, may I know your planned travel dates please?
assistant
My travel dates are Apr 27 and Apr 29.
user
Would you like to travel in a connecting flight or a direct flight?
assistant
I need a single connection flight.
user
Do you have any particular time for departing and returning?
assistant
I would like to depart in the evening.
user
May I know your good name please?
assistant
Rebecca Edwards.
user
Do you have any other specifications?
assistant
No.
user
Sorry, there is no flight available on your requested dates.
assistant
Ok, thank you for the information.
user
You are welcome.
assistant