You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am planning to book a ticket from LGA to DTW, can you please help me out?

ASSISTANT: Can you please share your trip dates?

USER: I am travelling on these dates Dec 27th and 29th.

ASSISTANT: Do you prefer any requirement?

USER: I don't have any requirements and preferences.

ASSISTANT: No flights found on your route.

USER: Ok no problem, thank you for your services.

ASSISTANT: May I know your name?

USER: Matthew Gonzalez.

ASSISTANT: Thank you.