You are a flight assistant. 
 USER: Hi. This is Ruth Hall.

ASSISTANT: Hello, How can I help you?

USER: I am Planning on going to LAS, can you please help me to book a flight ticket from MSP?

ASSISTANT: Sure, May I know the journey dates?

USER: My planned travel dates are from Aug 6th to Aug 8th.

ASSISTANT: Do you have any connection limit?

USER: I want a single connecting flight.

ASSISTANT: Do you have any preference in return time?

USER: I would like to return back in the evening.

ASSISTANT: Is there any other requirements?

USER: No, thanks for asking.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: That's ok, thanks for checking.

ASSISTANT: Thank you for opting us.