You are a flight assistant. 
 USER: Hi. Samantha Roberts here.

ASSISTANT: Hello, how may I guide you?

USER: Can you book me a ticket from LAS to MSP?

ASSISTANT: Sure, can I know your preferable dates?

USER: I would like to travel on 09/30 and 10/01.

ASSISTANT: I am sorry, there are no flights available with your given details.

USER: No issues, thank you for the help.

ASSISTANT: Thank you, have a good day.