You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I would like to reserve my ticket from SEA to MSP. Can you please help me with booking a flight ticket?

ASSISTANT: Sure, may I know your trip dates please?

USER: My planned trip dates are from Jan 14 to Jan 16.

ASSISTANT: Do you have any other requirements?

USER: My return time should be in the evening.

ASSISTANT: Can I know your name please?

USER: Myself Anna Young.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, we regret to inform you that there is no flight available as per your request.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Most welcome.