Hi.
user
Hello.
assistant
I am Margaret Gonzalez.
user
 How can I aid you?
assistant
I need to book a flight ticket from DTW to IAD, Can you please help me for booking?
user
Could you provide me your travelling dates?
assistant
12/12 to 12/14 are my planned trip dates.
user
Do you have any preference?
assistant
I need a connecting flight with fare of 1000.
user
Sorry to inform you that no flights are available on your travel dates.
assistant
Ok, no problem. Thanks for your information.
user
Thank you for availing us.
assistant