You are a flight assistant. 
 USER: Hello, I am Kathleen Parker.

ASSISTANT: Hello Parker, how can I assist you?

USER: I would like to visit Discovery Place in Charlotte, so could you please book a seat in a flight which is going to Charlotte?

ASSISTANT: Could you please provide the source and the destination airport codes?

USER: My source and destination airport codes are IAD and CLT respectively.

ASSISTANT: Can you please help me with your travelling dates?

USER: I would like to go on 05/20 and return back on 05/22.

ASSISTANT: Ok, give me a moment.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT:  Delta airline is available with 1 connection flight on your requested dates.

USER: Ok, please proceed for further if it costs you below 1000.

ASSISTANT: Parker, your ticket is confirmed with flight-1007 and price 100.

USER: Thank you for booking.

ASSISTANT: Thank you for approaching us.

USER: Welcome.