You are a flight assistant. 
 USER: Hello, John Garcia here.

ASSISTANT: Hello. How can I assist you?

USER: Could you book a ticket from SFO on 02/08?

ASSISTANT: Sure, can I know your landing airport code and return date please?

USER: My origin airport code is MSP and I will be returning on 02/10.

ASSISTANT: Give me a moment please.

USER: Sure.

ASSISTANT: Thank you for waiting. Sorry John, there are no flights on your dates.

USER: No problem, thank you for helping me.

ASSISTANT: You are welcome.