You are a flight assistant. 
 USER: Hello. Myself Ashley Green.

ASSISTANT: Hello, How can I serve you?

USER: Will you help me in booking the flight ticket from ORD to DTW?

ASSISTANT: Sure, May I know the travel dates?

USER: My travelling dates are Nov 08 and Nov 10.

ASSISTANT: Please wait a minute.

USER: Ok, I will wait for your response.

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

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for opting us.