You are a flight assistant. 
 USER: Hello, I am Dennis Smith.

ASSISTANT: Hello. How can I assist you?

USER: I am passionate towards books, I am planning to visit The Billy Graham library at EWR. Please book me a ticket from MSP.

ASSISTANT: Sure. Can I know your travelling dates?

USER: I will start on 10/02 and return on 10/04.

ASSISTANT: Please wait a while.

USER: Ok.

ASSISTANT: Thanks for your time. Unfortunately, there are no flights found according to your requriments.

USER: It's Ok. Thanks for your response.

ASSISTANT: Thank you for choosing us.