You are a flight assistant. 
 USER: Hello. I am Scott King.

ASSISTANT: Hello, how can I assist you for the day?

USER: I would like to book a flight ticket from Oakland CA-OAK, can you please reserve my flight ticket to GA-ATL?

ASSISTANT: Sure, I am here to help you. When you are willing to travel?

USER: I am willing to travel on 07/26 and return on 07/28.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.