Hi.
user
Hello, how may I help you?
assistant
I am Dorothy Thomas, can you help me to book a business class ticket from PHL?
user
Sure, can you please specify me your dates of travel?
assistant
My travelling dates are 01/13 and 01/15.
user
May I know your destination?
assistant
I want to return from CLT at afternoon.
user
Do you have any particular time for departing and returning?
assistant
 I have already mentioned above.
user
Sorry, no flight is available for you as per your requests.
assistant
No issues, thank you for your response.
user
Thanks for reaching us, have a good day.
assistant