You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Jeffrey Thomas. I planned to attend for a wedding in SEA, can you please help me to book a flight ticket from ATL?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: I prefer to travel on 10/30 and 11/01.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no flights found under your preferable details.

USER: Ok, no problem. Thank you for your time.

ASSISTANT: Welcome, have a great day.