You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to travel from PHL to ATL. Can you help me to book a flight ticket?

ASSISTANT: Sure, I will help you in booking the flight ticket. To check further may I know your name please?

USER: I am Karen Hernandez.

ASSISTANT: Karen Hernandez, do you have any connection limit?

USER: I am looking for a direct flight.

ASSISTANT: May I know your planned dates of your journey?

USER: I want to fly in the flight on Oct 29 and Oct 31.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Sorry, there are no flights found on your required dates.

USER: That's ok. Anyways, thank you.

ASSISTANT: Thank you for reaching us.