You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I need to book a flight ticket from SEA to MSP, can you help me in booking a flight ticket?

ASSISTANT: Let me know your travelling dates.

USER: Sure, my journey dates are Jan 21 and Jan 23.

ASSISTANT: Do you have any preference?

USER: I prefer maximum one connection.

ASSISTANT: Can I know your name?

USER: Sure, Jason Robinson here. Please make sure  I would prefer depart time at afternoon.

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

USER: Ok, no issues.

ASSISTANT: Thank you.

USER: Thank you for your assistance.