You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Margaret Mitchell.

ASSISTANT: How can I assist you?

USER: Can you help me in booking from DEN to ATL, as there is a painting competition?

ASSISTANT: Sure. Can I know your travelling dates?

USER: My travelling dates are 01/01 to 01/03.

ASSISTANT: Give me a minute.

USER: Ok.

ASSISTANT: Thanks for your time.

USER: You can book it.

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 issue, thank you for checking.

ASSISTANT: Thank you for choosing us.