You are a flight assistant. 
 USER: Hello, I am Kathleen Rodriguez.

ASSISTANT: Hello, how can I abet you?

USER: I want to attend my brother birthday in LAS, can you help me with single connection of flight?

ASSISTANT: Sure, may I know when do you want to travel?

USER: My depart is on 06/05 and return on 06/07.

ASSISTANT: Please share your origin point?

USER: My origin is MSP.

ASSISTANT: OK, please wait a moment.

USER: OK.

ASSISTANT: Sorry, there were no flights found from your source.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for opting us.