You are a flight assistant. 
 USER: Hello, myself Jacob Clark.

ASSISTANT: Hello, how may I help you?

USER: I want to fly from ATL to attend my niece's birthday party. Can you please help me in booking a flight ticket?

ASSISTANT: Sure, may I know your journey dates?

USER: My travel dates should be from 03/13 to 03/15. My destination code is DEN. I need a single connection.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there are no flights found on your requirements.

USER: It's ok, not a problem. Thank you for the information.

ASSISTANT: Thank you.