Hello. My name is Benjamin Green.
user
Hello, how may I help you?
assistant
I would like to travel from PHL to CLT, could you help me out?
user
Sure, please share you travel dates.
assistant
My preferable dates are from 10/28 to 10/30.
user
Sorry, no flights available at this moment. Thank you for reaching us.
assistant
That's ok. Thank you for your help.
user