You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Virginia Parker here. I want to attend my convocation ceremony, so please book my ticket from CLT to DTW.

ASSISTANT: When are you planning to make your journey?

USER: I will be leaving on Oct 11 and returning on Oct 13.

ASSISTANT: May I know your departure time and arrival time?

USER: I want to depart in the afternoon.

ASSISTANT: Do you have any other requirements?

USER: I need a connecting flight.

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, I will find an alternative way to travel.

ASSISTANT: Thank you.

USER: Thank you for your service.