You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am planning to visit Detroit automobile industry as a part of project.

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are from 04/27 to 04/29.

ASSISTANT: Please help me with your name for verification purpose.

USER: My name is Timothy Thompson.

ASSISTANT: Ok Thompson, may I know your airport codes?

USER: My airport codes of travelling are from LAX to DTW.

ASSISTANT: Thank you for providing your details, I am sorry that there is no flight with your details.

USER: Ok, no problem.

ASSISTANT: Is there anything else to assist.

USER: No, I'll reach you out if anything else is there.

ASSISTANT: Thank you.

USER: Welcome.