You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I planned to attend for a meeting in EWR, can you please help me to book a flight ticket from PHX?

ASSISTANT: Sure, can you please share your journey dates?

USER: I prefer to travel on May 14 and May 16.

ASSISTANT: Are you looking for any preferred connections?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Do you have any other specifications to be met?

USER: I would like to travel in business class.

ASSISTANT: May I know your name to proceed further?

USER: I am David Phillips.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your valuable time, unfortunately no flights available on that route.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for opting us.