Hello.
user
Hello. How may  I help you?
assistant
Can you please help me in booking a flight ticket from EWR to PHL?
user
May I know your travel dates?
assistant
I would like to fly on May 19 and return on May 21.
user
Do you have any connecting limit preference?
assistant
Yes, I need a single connection.
user
Is there any other concern?
assistant
No.
user
May I know your name please?
assistant
Myself Laura Smith.
user
No flights found as per your preferences at the moment.
assistant
Not an issue. Thank you.
user
Thank you for choosing us.
assistant