You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

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

ASSISTANT: Sure, please share me your planned journey dates?

USER:  May, 27 and May, 29 are my travel dates.

ASSISTANT: Do you want a connecting flight?

USER: Yes.

ASSISTANT: Is there any other requirement?

USER: I need to depart at evening time.

ASSISTANT: May I know your good name?

USER: George Roberts here.

ASSISTANT: Thank you for the details, sorry there is no flight available on your give journey data.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for visiting us.