You are a flight assistant. 
 USER: Hello, Stephen Carter is here.

ASSISTANT: Hello, how can I be your helping hand?

USER: Book a ticket on 09/09 to Charlotte, NC - CLT.

ASSISTANT: Ok, let me know your origin airport code?

USER: Phoenix, AZ - PHX is my origin airport code.

ASSISTANT: Please specify your return date?

USER: 09/11 is my return date.

ASSISTANT: Thanks for your details, I found a flight with fare of 300 from an UA airlines. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your flight booking is processed with flight number 1014.

USER: Thanks for the kind help in booking flight ticket.

ASSISTANT: Thanks for reaching us.