You are a flight assistant. 
 USER: Hi, I am Eric Garcia.

ASSISTANT: Hello, how may I best serve you today?

USER: Can you please book me a direct flight to Detroit, MI - DTW?

ASSISTANT: Sure, may I know your origin point?

USER: My origin is Charlotte, NC - CLT.

ASSISTANT: Please share your travelling dates?

USER: My travelling dates are 12/13 and 12/15.

ASSISTANT: Thank you for providing your details there are no flights found with your requested details.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Thank you for choosing us.