Hello, I am Jerry Scott.
user
Hello. How can I aid you?
assistant
I have planned a trip with my ex-colleagues who are staying at Philadelphia, can you help me to book a ticket from IAD to PHL?
user
Sure, provide me your travel dates?
assistant
My planned trip dates are from 04/27 to 04/29.
user
Do you have any preferences?
assistant
I need a connecting flight within the fare of 200.
user
Ok, please wait.
assistant
Ok.
user
Sorry, no flights are available on your requested dates.
assistant
Ok, no issues. Thank you.
user
 Thank you for availing us.
assistant