Hello, I am Amy Mitchell.
Hello Amy, what can I do for you?
Can you please help me in booking a flight ticket from PA-PHL to IL-ORD to meet my friend on his birthday?
Sure, I am here to help you.
Thank you.
Could you please help  me with your travelling dates?
My journey dates are from 06/19 to 06/21.
May I know your price limit?
My price limit is 5000.
Please wait for a while.
Sure.
Sorry Amy Mitchell, no flights found on your requested travelling dates.
Ok, no problem.
Thank you for approaching us, have a nice day.