You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Daniel Hall.

ASSISTANT: Sure, may I know your preferred travel dates?

USER: I am looking for a flight from ORD to SEA, can you help me out please? My trip dates  are from 01/16 till 01/18.

ASSISTANT: Sorry, there is no flights available at your travel locations.

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

ASSISTANT: Thank you for choosing our agency.