You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Can you please help me in reserving me a flight from EWR to reach ATL?

ASSISTANT: Sure, may I know when you are willing to travel?

USER: Thank you, my travelling dates are Dec 13th and Dec 15th.

ASSISTANT: Do you have any other specifications?

USER: I want to return in the afternoon time.

ASSISTANT: Please share me your name.

USER: I am Patrick Baker.

ASSISTANT: There is no flight found with your given information.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you.