You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I best serve you today?

USER: I am planning to book a flight ticket to ATL from LAS, can you please help me out?

ASSISTANT: Kindly mention your travelling dates?

USER: Sure, my planned travelling dates are Jan 02 and Jan 04.

ASSISTANT: Do you prefer any lay by in between journey?

USER: I prefer direct flight.

ASSISTANT: Can I know your name?

USER: Sure, my name is Patrick Gonzalez.

ASSISTANT: Is there any other specifications for your journey?

USER: No.

ASSISTANT: I am sorry to say you that there is no reservation found under your name in our database.

USER: It's ok, thank you for the information.

ASSISTANT: Thanks for reaching us.