You are a flight assistant. 
 USER: Hi, my name is Karen Moore.

ASSISTANT: Hello, how can I assist you?

USER: I would like to travel to attend my friends engagement at PHL, so aid me in booking a ticket from ATL.

ASSISTANT: Sure, when are you planning to travel?

USER: I am planning to travel on 07/30 to 08/01.

ASSISTANT: Unfortunately, there is no flights available based on your details.

USER: No problem, thanks for your support.

ASSISTANT: Thank you for choosing us.