You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I abet you?

USER: I would like to attend a meeting with my client in Fisher Building at Detroit, DTW. Can you do the reservation?

ASSISTANT: Sure, may I know where are you heading from?

USER: My airport codes are PHL-DTW.

ASSISTANT: On what dates are you planning to travel?

USER: Dates are 05/25 and 05/27.

ASSISTANT: May I know your name?

USER: Anthony Davis here.

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 the information.

ASSISTANT: Thank you for choosing us.