You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you now?

USER: I am looking for a flight from 10/08 till 10/10. Can you help me out?

ASSISTANT: Sure, can you please mention the airport codes of your journey?

USER: My location airport codes are from ORD to DFW.

ASSISTANT: Ok, may I know your name?

USER: Myself Mary Garcia.

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

USER: That's ok, no problem.

ASSISTANT: Thank you for approaching us, have a nice day.

USER: Thank you for your help.