Hello.
user
Hello.
assistant
Edward Nelson here.
user
How can I aid you?
assistant
I want to visit Philadelphia, so please book a ticket from PHL to IAH.
user
Sure, may I know your travel dates?
assistant
My travelling dates are 04/17 and 04/19.
user
Sorry Nelson, there are no flights available for your desired dates.
assistant
No issues, thank you for your help.
user
Thank you for reaching us.
assistant