You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am looking for a flight from PHL to MSP, can you please help me in booking?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are Dec 16 and Dec 18.

ASSISTANT: Do you have any specifications?

USER: I need a direct flight.

ASSISTANT: May I know your name?

USER: My name is Dorothy Jones.

ASSISTANT: Sorry, there is no flight on your details.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you.