You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: I would like to make a flight ticket reservation from OAK to JFK, can you please help me?

ASSISTANT: Sure, I am here to help you with that.  Can you please share your planned travel dates?

USER: Sure, my planned travelling dates are Nov, 29 and Dec, 01 respectively.

ASSISTANT: Can I know your connection limit?

USER: I would to fly in direct flight.

ASSISTANT: Do you have any other specifications?

USER: Yes, I prefer to travel in economy class.

ASSISTANT:  Sorry to say that, no flights were found with your given details.

USER: Ok, not an issue.Thank you for your information.

ASSISTANT: May I know your name please?

USER: Margaret Lopez here.

ASSISTANT: Thank you for reaching us, have a  great day.