You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you today?

USER: Can you please help me in reserving my flight from MSP to reach LGA?

ASSISTANT: Sure, when do you want to start and return on?

USER: Thank you, my travelling dates are Sep 9th and Sep 11th.

ASSISTANT: Do you need a connecting flight?

USER: I prefer a single connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I would like to return in the evening.

ASSISTANT: Can I know your good name?

USER: I am Stephanie Carter.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you.