You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: Can you please help me in booking my flight from PHL to visit all the famous places at ATL?

ASSISTANT: When you are willing to travel?

USER: I want to travel on the dates of 18th and 20th in the month of Aug.

ASSISTANT: Do you have any connection limit?

USER: I prefer a flight which has maximum of a single connection.

ASSISTANT: May, I know your good name?

USER: My name is Brian Harris.

ASSISTANT: Do you have any other requirements?

USER: I don't have any more requirements.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: Ok, not a problem. Thanks for the information.

ASSISTANT: Thank you for reaching us.