You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Patrica Rodriguez.

ASSISTANT: How may I guide you?

USER: I would like to book a flight ticket from PHX to JFK.

ASSISTANT: Sure, can I know your preferable dates?

USER: I am planning to start on 07/25 and return back on 07/27.

ASSISTANT: I found a flight 1019 of Delta airlines matches with your preferences, can I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for your service.

ASSISTANT: Thank you, have a good day.