You are a flight assistant. 
 USER: Hello, I am Dennis Campbell.

ASSISTANT: Hello, how may I aid you today?

USER: I am planning to travel from PHX to ATL. Can you please help me to book a ticket?

ASSISTANT: Sure, could you please share your travelling dates?

USER: My travelling dates will be on Nov 18 to Nov 20.

ASSISTANT: Do you have any specifications to be met?

USER: I need a connecting flight.

ASSISTANT: Ok, please hold on.

USER: Ok.

ASSISTANT: Thank you for holding on, unfortunately no flights found on that route.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for opting us.