You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I assist you?

USER: To participate in live music concert, I am planning to travel on 08/15. So, can you please reserve a seat from Minneapolis, MSP?

ASSISTANT: Sure, May I know the destination code?

USER: Thank you, the destination is New York, LGA.

ASSISTANT: Please help me with your return date.

USER: I intend to return on 08/17.

ASSISTANT: May I know your name?

USER: I am Donald Harris.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, thanks for your response.

ASSISTANT: Thank you for opting us.