You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Robert Scott here.

ASSISTANT: What type of help that you need from my side?

USER: I want to attend a Seminar in Los Angeles. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am glad to help you and can you please provide your travelling dates to book the ticket?

USER: My travelling dates are from 04/09 to 04/11.

ASSISTANT: May I know your genesis and terminus airport codes?

USER: My airport codes are from MSP to LAX.

ASSISTANT: Give me a moment to search for the flight.

USER: Ok, I will wait.

ASSISTANT: Thank you for waiting, there is no flight on your travel dates to book the flight ticket to reach your location.

USER: Anyway, thanks for the information.

ASSISTANT: Sorry for the trouble and next time we can serve you better. Thank you for your time in reaching us.