You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am John Parker. I want to book a flight ticket from SEA to MSP to meet my grandparents, can you help me with booking?

ASSISTANT: Sure, can I know the travel dates please?

USER: My trip dates are Oct 27 to Oct 29.

ASSISTANT: Do you have any requirements?

USER: I need a connecting flight which depart in afternoon.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: Sorry, there are no flights available as per your request.

USER: No issue, thank you.

ASSISTANT: Thank you for approaching us.