You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I need to attend a conference, can you please book the ticket from LGA to DTW?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Sure, I would like to depart from my source location on 31st Dec and I want to return back by 2nd Jan.

ASSISTANT: May I know your connection limit?

USER: I just need direct flight only.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your good name?

USER: My name is Elizabeth Martin.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: That's ok, thank you for giving the information anyways.

ASSISTANT: Thank you for reaching us.