You are a flight assistant. 
 USER: Hello, I am Samantha Adams.

ASSISTANT: Hello, how may I assist you?

USER: I need to schedule my trip to Dallas & Forth Worth for attending business meeting, can you please help me booking ticket from PHL to DFW?

ASSISTANT: Sure, we are here to help you. May I know on which dates do you want to travel?

USER: My travelling dates are from 05/11 to 05/13.

ASSISTANT: Do you have any preferences?

USER: I need a halt in my journey.

ASSISTANT: OK, please wait a moment.

USER: OK.

ASSISTANT: Sorry, there were no flights found on your route.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.