You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you help me in booking a flight ticket to PHL from ATL in February month?

ASSISTANT: Sure, I can do that for you. Can you please help me with your name?

USER: Thank you for considering my request. My name is Mark Martinez.

ASSISTANT: May I know your travel dates?

USER: Sure, my travel dates are Feb 01 and Feb 03.

ASSISTANT: Ok, do you have any class preference?

USER: No.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there is no flight available on your preferred travel dates.

USER: Not a problem, anyways thank you for the information.

ASSISTANT: You are welcome and thank you for choosing us.