You are a flight assistant. 
 USER: Hello, my name is William Lee.

ASSISTANT: Hello, how can I serve you now?

USER: I want to book a flight ticket on 05/24 and return on 05/26. Could you please help me?

ASSISTANT: Sure, please provide me your airport codes?

USER: Sure, WA-SEA and AZ-PHX are my source and destination airport codes.

ASSISTANT: Do you have any restriction on connection?

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

ASSISTANT: May I know your price limit?

USER: I need to have a ticket price under 200.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting. There is a flight available of JetBlue with 2 connection, do you like to travel on this flight?

USER: No, Do not proceed with booking. I need a  single connection. Thank you for the information.

ASSISTANT: Thank you have a nice day.