You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Amanda Roberts. I want to book a flight ticket from PA-PHL to GA-ATL. Help me in booking my flight ticket with a connecting flight.

ASSISTANT: Sure, please share me your travelling dates?

USER: 12/15 is my starting date,my return date is on 12/17.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there are no flights with your specifications.

USER: Its ok, thank you.

ASSISTANT: Thank you.