You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, In what way can I assist you now?

USER: Can you please help me to book a flight from MSP to JFK?

ASSISTANT: Sure, may I know your connection limit?

USER: I need a flight with single connection.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: I want to travel on Mar 31 and need to return on Apr 2.

ASSISTANT: On what name, do I need to reserve the ticket?

USER: Eric Clark.

ASSISTANT: Are there any other specifications?

USER: No.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: Ok, no problem. Thank you for checking.

ASSISTANT: Thank you for opting us.