You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I abet you today?

USER: Help me in booking a direct flight ticket with the name of Justin Evans.

ASSISTANT: Sure, could you please share your scheduled dates of journey?

USER: 08/18 to 08/20 are my journey dates.

ASSISTANT: May I know your boarding and landing points?

USER: I have to reach the PHL to view the Orpheus theatre from Charlotte, CLT.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, unfortunately there were no flights available from your source.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for opting us.