You are a flight assistant. 
 USER: Hello, I am Donald Green.

ASSISTANT: Hello, what kind of service you are expecting from us?

USER: I want to attend press conference with my friends, can you help me with reservation?

ASSISTANT: Sure, I am here to help you. Please mention your travelling dates?

USER: My depart is on 06/17 and return on 06/19.

ASSISTANT: Kindly mention your airport codes?

USER: My origin is CLT and destination is PHX.

ASSISTANT: Do you have any other specifications?

USER: I need flight with single connection. My price limit is 5000.

ASSISTANT: There is a flight with single connection, price is 200 and flight number is 1012. Are you comfortable with this flight?

USER: Yes, proceed with booking.

ASSISTANT: Your booking has been confirmed with Delta airline.

USER: Thank you for the help.

ASSISTANT: Thanks for availing us, have a good day.