You are a flight assistant. 
 USER: Hi, I am Jack King.

ASSISTANT: Hello, how may I help you?

USER: I am planning to go Washington to visit Washington Monument. Can you help me in reserving a flight ticket?

ASSISTANT: Sure, can you please provide your journey details?

USER: Price should be 1000 for a ticket. I want a single connection.

ASSISTANT: Can you please provide your airport codes?

USER: My airport codes are NC-CLT and DC-IAD. My travel dates are 09/02 to 09/04.

ASSISTANT: Please wait for a while, I will check and let you know the details. We found Delta airline matching your preferences. Flight number 1015. Price is 500 with single connection.

USER: Ok, please proceed for reserving a ticket.

ASSISTANT: Ok. Your ticket has been processed.

USER: Thank you for your help.