You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I render you today?

USER: Need your assistance for booking with a direct flight to PHX.

ASSISTANT: Sure, we are perky to help you.

USER: Ok.

ASSISTANT: Can you please provide your take off airport code?

USER: Sure, it is DEN.

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

USER: My preferred journey dates are 14 and 16 on the month of April.

ASSISTANT: On what name, do I need to reserve your ticket?

USER: You can reserve my name on the name of Angela Walker.

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's Ok, thanks for your information.

ASSISTANT: Thank you for choosing us.