You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you today?

USER: I am Richard Martinez, I want to book my flight ticket to New York NY-JFK, help me in booking my flight ticket from Phoenix AZ-PHX.

ASSISTANT: Sure, we are perky to help you.

USER: Thank you.

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

USER: I need a halt with in my journey.

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

USER: I will start from 09/28, my return date will be 09/30.

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 fine, I will search other alternative.

ASSISTANT: Thank you for reaching us.

USER: Thank you.