You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Michelle Turner. I want to attend a fest at Orlando, can you please help me to book a flight ticket from PHL to MCO?

ASSISTANT: Sure, please mention your travelling dates?

USER: Sure, my journey dates are 11/28 and 11/30.

ASSISTANT: Please hold a moment, let me check the availability.

USER: Sure, take your own time. My return time is evening.

ASSISTANT: Sorry, there are no flights running on your journey dates, due to bad weather conditions.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for reaching our service.