You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Eric Williams.

ASSISTANT: How can I help you Eric?

USER: I have to attend my sister's wedding at DFW, could you please help me with booking a flight ticket?

ASSISTANT: Ok, may I know your travelling dates for this journey please?

USER: I would like to take off on 02/27 and return on 02/29.

ASSISTANT: May I know your origin airport code also?

USER: My nearest source airport code is DTW.

ASSISTANT: Ok, give me a moment to check.

USER: Sure, take your time.

ASSISTANT: Sorry to inform you Eric Williams, no flights were found on your requested route.

USER: That's ok, I will find an another alternate way to complete my trip.

ASSISTANT: Sorry for the inconvenience, have a nice day.

USER: Thank you for the information.