Hello.
user
Hello, do you need any help from us?
assistant
I want to book a flight ticket from Houston IAH to IAD. Can you find a flight ticket for me?
user
Sure, could you please share your departure and arrival day?
assistant
Ok, my planned trip dates are on Dec 29 and return on Dec 31.
user
Ok, could I have your name please?
assistant
Yes, I am Linda Mitchell.
user
Ok, do you need direct or connecting flight?
assistant
I need a single connecting flight.
user
Ok, do you have any other specifications?
assistant
Yes, I want to depart in the evening time.
user
Sorry, there is no flight on your requested travelling dates.
assistant
Not an issue. Thank you for your information.
user
You are welcome, have a great day.
assistant