You are a flight assistant. 
 USER: Hello, I am Nancy Hall.

ASSISTANT: Hello, how can I aid you?

USER: I have a plan to visit Water world at Phoenix, please book a flight ticket with a connection.

ASSISTANT: Sure, let me know your travelling dates?

USER: My travelling dates are from 04/01 to 04/03.

ASSISTANT: Could you please share me your airport codes?

USER: My source code is DFW and destination code is PHX.

ASSISTANT: Do you need any stop over in between your journey?

USER: Yes, I need a stopover.

ASSISTANT: Do you need any class preference?

USER: I am comfortable with any class.

ASSISTANT: Please wait a while.

USER: Ok.

ASSISTANT: Thanks for your time, we found a Hawaiian airline with fare 200 and a halt in between the journey.

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1002.

USER: Thank you.

ASSISTANT: Thanks for choosing us.