You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Joseph Perez, help me to book a flight on 08/06 to Dallas to see my parents.

ASSISTANT: Ok, when you want to return from Dallas?

USER: I will return on 08/08.

ASSISTANT: Are you looking for direct flight or connecting flight?

USER: I need a flight with one connection.

ASSISTANT: Please mention your location codes?

USER: I will travel from MN-MSP to TX-DFW.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, we found a direct flight with your requirements.

USER: Ok, thanks for helping me.

ASSISTANT: Ok, thanks for connecting with us.