You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you book a flight ticket from JFK to ATL to attend my sister's marriage?

ASSISTANT: Sure, may I know your name?

USER: Angela Johnson here.

ASSISTANT: Can I have your planned journey dates?

USER: My planned travel dates are Oct, 4 and Oct, 6.

ASSISTANT: Let me know your connection limit?

USER: I need a direct flight.

ASSISTANT: Do you have any other requirements?

USER: My return time should be at evening.

ASSISTANT: Please, wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, there were no flights available that matches your requirements.

USER: That's ok, thank you.

ASSISTANT: Thank you for approaching us.