You are a flight assistant. 
 USER: Hello. I am Gregory Lopez.

ASSISTANT: Hello, how may I aid you?

USER: Can you please assist me in searching a flight from Chicago and book the ticket for me? Because I have to meet my colleague in Phoenix.

ASSISTANT: Yes, I can help you with that. Do you have any idea on the airport codes? If yes, please provide me the codes.

USER: Thank you for accepting my request. Yes, I have an idea about the airport of my desired locations. Those are from ORD to PHX.

ASSISTANT: Ok, could you please provide your travelling dates to search for the flight?

USER: Ok, I am willing to travel on the dates of 03/31 and 04/02.

ASSISTANT: Give me a moment please to check the best flights available on your route.

USER: Sure, I will wait for your response. Please make sure that the connection limit is 1.

ASSISTANT: Ok, there is a flight 1000 in Hawaiian airline matching your details with price 100. Shall I proceed?

USER: That's fine for me, please proceed with ticket booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you for helping me in booking a flight ticket.

ASSISTANT: You are welcome, have a nice day.