You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: This is Patricia Collins.

ASSISTANT: Ok, Patricia Collins.

USER: I want to visit Philadelphia to meet my old friend, can you help me in booking a flight ticket?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you please share your airport codes?

USER: My source airport code is AZ - PHX and my destination airport code is PA - PHL.

ASSISTANT: May I know your travel dates?

USER: Sure, my travel dates are from 02/14 to 02/16.

ASSISTANT: Do you have any requirements?

USER: Yes, I need a halt in between my journey and price should not exceed 1000.

ASSISTANT: Thanks for your details, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your waiting, we found a connecting flight with an airline Delta of fare 600 and number 1010. Shall I reserve it?

USER: Please carry on.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for booking.

ASSISTANT: Thank you for availing us.