You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I amend you today?

USER: I am Timothy Gonzalez. I want to attend seminar at New York, LGA. Can you help me in booking from LAS?

ASSISTANT: Sure, we are glad to you.

USER: Thank you.

ASSISTANT: When did you schedule your trip?

USER: My travelling dates are from 06/05 to 06/07.

ASSISTANT: Do you have any other specifications?

USER: Yes, I need a connecting flight.

ASSISTANT: Thanks for your details. Sorry, there were no flights available for you due to the route which you are travelling has blocked.

USER: Ok, No issues, Thank you.

ASSISTANT: Thank you for availing us.