You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me to make a reservation from MSP to EWR?

ASSISTANT: Sure, please provide your travelling dates.

USER: I want to travel on June 12 and June 14.

ASSISTANT: Ok, please let me know your connection limit.

USER: I need a single connecting flight.

ASSISTANT: Ok, Do you have any class preference?

USER: No.

ASSISTANT: Ok, Is there any other preferences?

USER: No.

ASSISTANT: Thank you for providing details, we did not find any flights with your given details.

USER: Ok, not a problem. Thank you.

ASSISTANT: Please mention your name.

USER: My name is Donna Wilson.

ASSISTANT: Thank you for choosing us.

USER: Welcome.