You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am planning for a trip from DFW to PHL, to meet my parents. Can you help me?

ASSISTANT: Sure, can you please give me your planned dates for journey?

USER: Sure, I would like to travel on 02/28 and 03/01.

ASSISTANT: May I know your good name please?

USER: I am Stephanie Moore.

ASSISTANT: There are no flights available on those dates, Moore.

USER: It's ok, not an issue. Thanks for checking.

ASSISTANT: Thank you for choosing us.

USER: Welcome.