You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am William Taylor want to book a ticket to SEA from ATL, can you please help me in booking?

ASSISTANT: Sure, I will help you. May I know your planned journey dates?

USER: Thank you. My planned dates are from Nov 03 to Nov 05.

ASSISTANT: Do you have any other specifications?

USER: Yes, I need a connecting flight. I am planning to depart in morning.

ASSISTANT: Please, wait a minute.

USER: Ok.

ASSISTANT: Thank you for waiting. I am sorry, there were no flights available that matches your requirements.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for approaching us.