You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am Melissa Johnson. Can you help me in booking the ticket from JFK to OAK?

ASSISTANT: Sure Johnson, I am here to help you out. Please provide me your trip dates.

USER: My planning dates are from 08/05 to 08/07.

ASSISTANT: Here is a direct flight with price 200 in Delta airlines, can I proceed with it?

USER: I need a flight with 1 connection.

ASSISTANT: Sorry Johnson, there is no flight in your route. Thank you for reaching us.

USER: That's fine. Anyway, thank you for your help.