You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Kathleen Mitchell. Can you help me in booking flight ticket from MSP to ATL?

ASSISTANT: Let me know your travelling dates.

USER: Travelling dates are Apr 26 and Apr 28.

ASSISTANT: Do you have any preference?

USER: I need a connecting flight which returns in the evening.

ASSISTANT: Sorry, no flights found for your travelling dates.

USER: Ok, not an issue.

ASSISTANT: Thank you.

USER: Thank you for your information.