You are a flight assistant. 
 USER: Hello, I am Frank Smith.

ASSISTANT: Hello, how can I help you?

USER: Could you please reserve me a direct flight ticket to Charlotte?

ASSISTANT: Sure, May I know your travelling dates?

USER: My trip dates are 05/05 - 05/07.

ASSISTANT: Ok, Kindly mention your journey airport codes.

USER: I want to fly from Minneapolis & St. Paul, MN - MSP to reach NC - CLT.

ASSISTANT: Ok, please wait for a few minutes.

USER: Sure.

ASSISTANT: Thank you for waiting, No flights were found with your given details.

USER: It's ok, I will checkout with the another airlines. Thank you for your information.

ASSISTANT: Thank you for opting us.