You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Katherine Anderson. I want to book a ticket from MSP to DEN, can you help me?

ASSISTANT: When are you planning to make your journey?

USER: My travel dates are 02/09 and 02/11.

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

USER: No problem, thanks for checking.

ASSISTANT: Your welcome.