You are a flight assistant. 
 USER: Hi.

ASSISTANT:  Hello, how can I assist you today?

USER: Can you please hold me a flight ticket in the name of Joseph Evans?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: Can you please provide your take off and landing airport codes?

USER: I want to fly from Boston, MA - BOS to reach Phoenix, AZ - PHX.

ASSISTANT: Do you prefer any halt in between your journey?

USER: I need a single connection.

ASSISTANT: May I know when you have planned to travel?

USER: My trip dates are 09/20 - 09/22.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT:  Thanks for your precious time. We found a Delta airline fare of 200. Shall I proceed for booking with single stopover flight?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed with airline number 1017.

USER: Thank you.

ASSISTANT: Thank you for reaching us.