You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I am George Campbell. I want to book a ticket from ATL to PHL, can you help me?

ASSISTANT: Sure, can you please share your journey dates?

USER: My travel dates are Feb 15 and Feb 17.

ASSISTANT: Do you have any specifications to be met?

USER: I want a direct flight in my journey.

ASSISTANT: Ok, please wait a moment.

USER: I want to travel in economy class.

ASSISTANT: Thank you for your time, unfortunately no flights found on that route.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for reaching us.