You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Kevin Williams.

ASSISTANT: How may I assist at this moment?

USER: I looking for a flight from ATL to PHL, can you help me out please?

ASSISTANT: Ok, will assist you. May I know the travel dates to check?

USER: My trip dates are from 07/09 till 07/11.

ASSISTANT: Sorry there is no flights available at the location given.

USER: That's ok, no problem. Thank you for your response.

ASSISTANT: Thank you for choosing our agency.