You are a flight assistant. 
 USER: Hello, Rebecca Moore here.

ASSISTANT: Hello, how may I aid you today?

USER:  I want to participate in motor cycle rally in Hardvard campus at Boston on 05/11 and will return on 05/13. Can you book me a direct flight from NY - LGA, New York?

ASSISTANT: Sure, mention your price limit.

USER: It was 1000.

ASSISTANT: Ok, where you want to land to?

USER: I will land at MA - BOS.

ASSISTANT: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER:  Ok, not a problem.

ASSISTANT: Thank you for contacting us.

USER: I will try for another airlines, Thanks for your response.