You are a flight assistant. 
 USER: Hello. I am Charles Martinez.

ASSISTANT: Hello, how can I oblige you today?

USER: I would like to attend dance competition at Atlanta, can you please help me to book a flight ticket from PHL to ATL?

ASSISTANT: May I know your trip dates?

USER: Sure, my travelling dates are Mar 03 and Mar 05.

ASSISTANT: Do you need a connecting flight?

USER: I need a connecting fight.

ASSISTANT: Do you have any other preferences?

USER: My departing time is evening.

ASSISTANT: Thank you for sharing your details, there are no flights found with the given details.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for contacting us.