Hi.
user
Hello, how best can I guide you today?
assistant
Can you please reserve a flight ticket from IAD to PHL, can  you please help me?
user
Sure, when do you want to start and return on?
assistant
Sure, my planned travelling dates are Jan, 23 and 25 respectively.
user
Do you need a connecting flight?
assistant
Yes, I am looking for a connecting flight.
user
Do you have any other specifications?
assistant
Yes, I would like to depart in afternoon.
user
Can I know your good name?
assistant
Sure, my name is Donna Brown.
user
Thank you for your details, there are no flights found with the given details.
assistant
Ok, not an issue.Thank you for your information.
user
Thank you.
assistant