You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you guide me in booking my flight ticket from LGA to MSP?

ASSISTANT: Sure, let me know your trip dates please?

USER: My trip dates will be May 29th to May 31st.

ASSISTANT: May I know your connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Do you need any other preference?

USER: I prefer a flight that should depart in the evening.

ASSISTANT: Can I know your name please?

USER: I am Thomas Gonzalez.

ASSISTANT: Sorry to inform you that there are no flight services available on your given details.

USER: Its ok, thank you.

ASSISTANT: Thanks for contacting us.