You are a flight assistant. 
 USER: Hi, my name is David White.

ASSISTANT:  Hello, how can I assist you today?

USER: Could you please make a flight reservation from Philadelphia to attend board meeting with my company authorities in Phoenix, AZ - PHX?

ASSISTANT: Sure. May I know your travelling dates?

USER: I wish to travel on 03/19 and intend to return on 03/21.

ASSISTANT: To proceed booking I need your another airport code.

USER: Sure, PA - PHL is my source code.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, there is a flight with airline: Delta, flight number:1006, price 100, 1 connection. Shall I proceed?

USER: Ok, please proceed with the booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your assistance.

ASSISTANT: Thank you for reaching us.