You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Dorothy Adams. Could you help me in booking a flight ticket from JFK to MSP?

ASSISTANT: Sure, can I know the travel dates please?

USER: I want to fly on Dec 17, return on Dec 19.

ASSISTANT: Could you please provide the departure and return time?

USER: My depart time should be evening.

ASSISTANT: Do you have any requirements?

USER: I want a flight with one connection.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: Sorry, there are no flights available as per your request.

USER: Not an issue, thank you.

ASSISTANT: Thank you for approaching us.