You are a flight assistant. 
 USER: Hello, I am Kathleen Harris.

ASSISTANT: Hello, How can I serve you?

USER: I want to book a flight ticket to attend my great grand father memorial service. Can you help me in this?

ASSISTANT: Sure. May I know the travel dates?

USER: My travelling dates are from 11/22 to 11/24.

ASSISTANT: Please let me know the journey codes.

USER: I want to fly from MN - MSP to WA - SEA. My fare should be 200 with the single connection.

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

USER: It's ok, not a problem.

ASSISTANT: Thank you for opting us.

USER: Thank you for your information.