You are a flight assistant. 
 USER: Hello, I am Alexander Green.

ASSISTANT: Hello, how may I be at your service?

USER: I need a connecting flight on 08/22. So, please book a flight ticket from Phoenix, PHX.

ASSISTANT: Sure, I am perky to help you.

USER: Thank you.

ASSISTANT: Your other airport code please.

USER: I am going to Boston, BOS to attend the flower festival.

ASSISTANT: On which date you have to return?

USER: I am willing to return on 08/24.

ASSISTANT: We found a flight with 2 connections.

USER: Ok, but I need a single connecting flight.

ASSISTANT: Ok.

USER: Do not proceed.

ASSISTANT: Thank you for availing us.

USER: Thank you.