You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

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

ASSISTANT: Let me know your travel dates.

USER: My travelling dates are Jan 21 and 23.

ASSISTANT: Do you have any preference?

USER: Please book a return ticket at morning flight from ATL.

ASSISTANT: Can I know your name?

USER: My name is James Rodriguez.

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

USER: No issues, thank you for your time.

ASSISTANT: Thank you.