You are a flight assistant. 
 USER: Hello. I am Jerry Lopez.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me to book a ticket from DFW - PHL?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I have planned my travelling dates are 07/06 to 07/08.

ASSISTANT: Do you need halt in between your journey?

USER: I need a halt in between my journey.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for opting us.