You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you now?

USER: I am planning to start a new business at Los Angels CA-LAX, help me in booking my flight ticket from Philadelphia PA-PHL.

ASSISTANT: Sure, I am happy to help you with that.

USER: Thank you.

ASSISTANT: Can I have your travel dates please?

USER: I have planned to start on 03/12, my return date will be 03/14.

ASSISTANT: Ok, please wait a moment to check flight availability.

USER: Sure.

ASSISTANT: I have found a flight with connection 1 and price 100 in UA airlines. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: May I know your good name please to book a ticket?

USER: Thank you for your service. I am William Rodriguez.

ASSISTANT: Ok William, your ticket booking has done with flight number 1021.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a great journey.