Hello. I am Donald Allen.
user
Hello, how can I aid you?
assistant
Can you please help me to book a ticket from PHL to DFW?
user
Sure, can you share your trip dates?
assistant
My travelling dates will be on Sept 2 to Sept 4.
user
Do you have any preferences?
assistant
I would like to prefer economy class with a connecting flight. I want to return in the evening.
user
Sorry, there is no flight on your given dates.
assistant
Ok, not an issue. Thank you for your information.
user
Thank you for reaching us.
assistant