You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Can you help me booking a flight ticket from PHX to LAS?

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

USER: I will start on 07/31 and return on 08/02.

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

USER: I am Donald Jackson.

ASSISTANT:  In which class would you like me to book your flight ticket?

USER: I am looking for economy class flight.

ASSISTANT: Let me know your connection limit?

USER: I need a break in my journey.

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: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.