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

ASSISTANT: Hello, how can I serve you today?

USER: I want to attend Columbus day at Charlotte, can you help me with the process of booking?

ASSISTANT: Sure, may I know your journey details?

USER: I need a flight with the price of 5000 from Washington to Charlotte. I want to fly on 10/09 and 10/11.

ASSISTANT: Could you please provide your airport codes/.

USER: My source is from DCA and the destination is at CLT.

ASSISTANT: Please wait a moment. I will check with the availability.

USER: OK.

ASSISTANT: We found a flight with single connection of 1010 flight. Fare is 100 With UA airlines. Shall I proceed for booking?

USER: Ok, please go with the booking.

ASSISTANT: Sure. Your ticket has been confirmed.

USER: Thanks for your kind customer service.

ASSISTANT: Thanks for opting us, have a safe journey.