You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I would like to book a ticket from JFK to DTW, can you please help me out?

ASSISTANT: Sure, I am glad to assist you to reserve the ticket. Can I know your preferable trip dates?

USER: I am travelling on these dates Nov 30th and Dec 2nd.

ASSISTANT: Ok, please mention your preference about the connection limit.

USER: I need single connected flight.

ASSISTANT: Ok, please tell me your full name.

USER: Linda Evans here.

ASSISTANT: Ok, do you have any other specifications?

USER: I prefer normal-cost airlines.

ASSISTANT: Sorry to say that, there are no flights available in the normal-cost airlines on the dates you have mentioned.

USER: Ok no problem, thank you for your services.

ASSISTANT: You are welcome. Thank you for reaching us.