You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am planning for the trip with my best friend to Phoenix, PHX, so please help me in booking a flight ticket from ORD.

ASSISTANT: Sure, may I know your name?

USER: My name is Matthew Gonzalez.

ASSISTANT: Ok, could you provide me your travelling dates?

USER: My travelling dates are 05/15 and 05/17.

ASSISTANT: Yes, I found  a flight-1004 with delta airlines, can I proceed?

USER: Yes, please proceed to book the ticket.

ASSISTANT: Yes, your booking is confirmed.

USER: Thank you for your help and quick response.

ASSISTANT: Thank you for contacting us, have a safe journey.