Hi.
user
Hello. How may I assist you today?
assistant
I am Kimberly Smith. Please help me to book a flight ticket from PHL to ORD.
user
Sure, may I know your travelling dates?
assistant
My journey dates are from Dec, 05 to Dec, 07.
user
Is there any particular timings in your departure and arrival?
assistant
I need to return in the evening.
user
 Do you need any specifications for this reservation?
assistant
I need a business class to fly and I prefer single connecting flight.
user
Please wait a moment.
assistant
Ok.
user
Sorry, there are no flight tickets available on your journey dates.
assistant
No problem, thanks for your information.
user
Thank you for reaching our service.
assistant