You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: I am Patrick Allen here, I want to reserve my ticket from PHL to CLT, can you please help me out?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: Do you prefer any halt in between your journey?

USER: No, I need a direct flight.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: Ok, my dates of journey are from Mar, 03 to Mar, 05.

ASSISTANT:  Ok, please wait a moment, let me search a flight for you.

USER: Sure, I will wait.

ASSISTANT: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: Ok, no problem.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your service.