You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: I am Samantha Perez. I am planning to meet my uncle in Boston, so please help me in booking a flight ticket from PA - PHL.

ASSISTANT: Sure, May I know the destination code?

USER: My destination code is MA - BOS.

ASSISTANT: Please help me with your travel dates.

USER: I want to fly on 06/02 and return on 06/04.

ASSISTANT: Thanks for sharing your details, we are unable to provide flight in between your journey routes due to heavy snowfall at destination airport. Thank you for availing us.

USER: Not an issue. Thank you.