You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Larry Williams here.

ASSISTANT: How can I help you at this moment?

USER: I need to attend a meeting at Los Angeles, can you please help me in booking a flight ticket from MSP to LAX?

ASSISTANT: Sure, I can help you in booking flight ticket. Can you please mention your preferable travel dates for booking flight ticket?

USER: Sure, my travel dates are from 04/19 to 04/21.

ASSISTANT: Just give me a moment, I will check flight availability in this route.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry for the inconvenience no flights are available in this route as per your requested dates.

USER: That's ok, no problem. I will check out with another agency. Thank you for the information.

ASSISTANT: Thank you for reaching us, have a good day.