You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am looking for a flight from LGA to ATL, can you please help me in booking?

ASSISTANT: Sure, I am here to help you. May I know your name?

USER: My name is Timothy Roberts.

ASSISTANT: Thank you. Please help me with your travel dates.

USER: My travelling dates are Jan 15 and Jan 17.

ASSISTANT: Ok, is there any requirements?

USER: I need a direct flight.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there is no direct flight available on your given travel dates.

USER: That's ok, thank you for checking.

ASSISTANT: You are welcome and thank you for choosing us.