You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I support you?

USER: Find a flight for me from MSP to LAS, to meet my friend.

ASSISTANT: Sure, when do you want to travel?

USER: Ok, my travelling dates are from May 02 to 04.

ASSISTANT: Ok, Do you prefer direct flight or connected flight?

USER: I need a connecting flight.

ASSISTANT: Ok, Do you have any class preference?

USER: No.

ASSISTANT: Ok, Is there any other preferences?

USER: No.

ASSISTANT: Thank you for providing details, we did not find any flights with your given details.

USER: It's ok, thank you.

ASSISTANT: May I know your name for documentation purpose?

USER: Sure, I am Cynthia Edwards.

ASSISTANT: Thank you for choosing us.

USER: Welcome.