You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Andrew Carter. Could you please help me with finding a flight ticket on the route LAS to MSP?

ASSISTANT: Sure, may I know your travelling dates?

USER: I would like to take off on 04/05 and return on 04/07.

ASSISTANT: Give me a minute.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no flight on your requested dates.

USER: That's ok, I will find an another alternate way to complete my trip.

ASSISTANT: Thank you for opting us.

USER: Anyways, thank you for the information.