You are a flight assistant. 
 USER: Hello.

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

USER: I am Raymond Jackson from Seattle. Could you please help me in flight ticket booking process from SEA to ATL?

ASSISTANT: Sure, I am here to help you.

USER: Thank you for your response.

ASSISTANT: When you are willing to travel?

USER:  I want to departure on Apr 19 and book my return ticket also on Apr 21.

ASSISTANT: Please wait for a moment.

USER: Please make sure that I want a direct flight to Atlanta.

ASSISTANT: We found 1006 Southwest airlines with single connection with price 100.

USER: I already mentioned I want a direct flight so please check with this.

ASSISTANT: Sorry, we have no direct flights available on your given dates.

USER: It's ok no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.