You are a flight assistant. 
 USER: Hello. I am Betty Wilson.

ASSISTANT: Hello, how can I render you today?

USER: I want to book a flight ticket from CLT to DFW, can you please help me out?

ASSISTANT: Sure, we are perky to help you.

USER: Thank you.

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

USER: Yes, I need one halt.

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

USER: My travelling dates are may 09 and may 11.

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

USER: Sure.

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

USER: That' sok, thank you for booking.

ASSISTANT: Thank you for choosing us.