You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am planning to visit Seattle, can you please book me a ticket from MSP to SEA?

ASSISTANT: Sure, can you please tell me your journey dates?

USER: My preferable journey dates are from 04/07 to 04/09.

ASSISTANT: May I know your name?

USER: My name is Brian Hill.

ASSISTANT: Hill, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry Hill, there are no flights available on your given dates.

USER: Ok, not an issue. I will find any alternate for this trip. Thank you for providing information.

ASSISTANT: Thank you for reaching us and have a nice day.