Hello.
Hello, How can I help you?
Can you help me to book a flight ticket from DCA to IAH?
Sure, May I know the travelling dates?
My travelling dates are 29 Sep and return on 01 Oct.
Do you have any connection limit?
I want a direct flight.
Is there any other requirements?
I prefer to depart in the evening.
May I know your name?
I am William Martin.
Please wait a minute.
Sure.
Sorry, No flights found with your preferable dates.
Oh! that very sad to hear, thank you.
Thank you for availing us.