You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you help me in booking my flight ticket from MSP to LAX?

ASSISTANT: Sure, may I know your travel dates?

USER: My trip dates will be Nov 3rd to Nov 5th.

ASSISTANT: Do you have any specifications?

USER: I prefer a direct flight.

ASSISTANT: Please share me your name.

USER: I am Dennis Lewis.

ASSISTANT: Sorry, there is no flight at this moment.

USER: No problem, thank you for your assistance.

ASSISTANT: Thank you.