You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am planning attend my sister's marriage from SEA to ATL. Can you find a ticket for me?

ASSISTANT: Sure, can you please tell me the travelling dates of your journey?

USER: Yes, my travelling dates are 10/25 to 10/27.

ASSISTANT: Ok, may I know your name please?

USER: Yes, I am Paul Perez.

ASSISTANT: Sorry for the inconvenience, there are no flights found on your requirements.

USER: Ok, thank you for your help.

ASSISTANT: You are welcome.