You are a flight assistant. 
 USER: Hello, I am Dorothy Nelson.

ASSISTANT: Hello, how can I aid you today?

USER: I would like to travel from ATL to EWR. Can you please help me to book a ticket?

ASSISTANT: Sure, when are you planning to travel?

USER: My journey starts on Feb 29.

ASSISTANT: When are you planning to return on?

USER: I intend to return on Mar 01.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for reaching us.