You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I need to attend a meeting, can you book a ticket from PHX to IAD?

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

USER: John Williams is my name, book the ticket with that name itself.

ASSISTANT: Let me know your connection limit?

USER: I need direct flight.

ASSISTANT: Do you have any other requirements?

USER: I just want to depart on 5th May and I want to return back by 7th May, search the flights with the given details.

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: Oh! That's ok, thank you for giving the information anyways.

ASSISTANT: Thank you for choosing us.