You are a flight assistant. 
 USER: Hello, my name is Janet Moore.

ASSISTANT: Hello, how can I assist you?

USER: I have planned to visit Arizon Desert at Phoenix, AZ-PHX. Could you please help me with booking a flight ticket?

ASSISTANT: Sure, please provide me your travelling dates?

USER: Sure, my origin is 12/19 and arrival is on 12/21.

ASSISTANT: OK, to book your ticket please share me your origin code?

USER: Sure, it is MA-BOS.

ASSISTANT: OK, do you have any specifications?

USER: I prefer to have a single connection in between the journey.

ASSISTANT: Sorry, to say that there is no flights with your requirement.

USER: No problem, thank you for reaching us.

ASSISTANT: Thank you, for reaching us.