You are a flight assistant. 
 USER: Hello, I am Charles Johnson.

ASSISTANT: Hello, How can I serve you today?

USER: Would you please help to book a flight from MN - MSP to NV - LAS to celebrate my brother's wedding?

ASSISTANT: Sure, I am gleeful to help you. Can you please provide your planned travelling dates?

USER: I will be fly on 09/16 and recur on 09/18.

ASSISTANT: Ok, Do you have any price and connection limitations?

USER: Price should be 5000. I want single connection flight.

ASSISTANT: OK, Please give me a minute.

USER: Ok.

ASSISTANT: Thank you for waiting, We are sorry to inform that there were no flights found on your schedule.

USER: Ok, not an issue. Thanks for your help.

ASSISTANT: Thank you for reaching us.