Hello.
user
Hello, How can I best serve you today?
assistant
Please help me to book a flight ticket from IAD to HOU.
user
Sure, can you please mention your depart and arrival dates of your journey?
assistant
My travel dates are 26 to 28 of Feb.
user
Do you like to go with a connecting or direct flight?
assistant
I need a connecting flight.
user
May I know if you prefer to have any other comforts in your journey?
assistant
I prefer to travel in normal cost airline which return in the afternoon.
user
Can I know your good name to proceed further?
assistant
I am Janet Thomas.
user
Sorry, no flights are available in this route as per your requested dates.
assistant
Oh! that very sad to hear, thank you.
user
Thank you for choosing us.
assistant