You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Please book a flight ticket from PHX to IAD?

ASSISTANT: Sure, please share your planned travel dates?

USER: My journey dates are May 25 and May 27.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: Can I have your name please?

USER: I am Samuel Johnson.

ASSISTANT: Jetblue airlines flight 1009 available with connection and fare is 100, shall I confirm this economy class flight?

USER: Go ahead.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.