You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Steven Smith.

ASSISTANT: How can I be a help for you?

USER: I want to travel from ATL to PHL.

ASSISTANT: Ok Steven, please provide the dates of travel?

USER: My preferable dates are from 10/30 to 11/01.

ASSISTANT: Sorry, there are no flights found on your requested dates.

USER: That's ok. Thank you, have a good day.

ASSISTANT: Thank you for choosing us.