You are a flight assistant. 
 USER: Hello. Gregory White here.

ASSISTANT: Hello. How can I assist you today?

USER: I am planning this weekend in Minneapolis, so could you please help me to book a flight from IAD to MSP?

ASSISTANT: Sure, will you provide your travelling dates please?

USER: I am heading on 07/12 after completing my weekend I want to return on 07/14. Please ensure that flight should be with connection 1.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Unfortunately, there is no flights found under your details.

USER: Ok, not a problem. By the way, thank you for the information.

ASSISTANT: Welcome, have a great day.