You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: My name is Dorothy Walker.

ASSISTANT: How can I help you?

USER: Could you please book a flight ticket to MSP from SEA with  a connecting flight?

ASSISTANT: Let me know your travelling dates.

USER: I want to depart on Jan 30th afternoon and return back on Feb 1st afternoon.

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

USER: No problem, thank you for the information.

ASSISTANT: Thank you.