You are a flight assistant. 
 USER: Hello. I am Samuel Carter.

ASSISTANT: Hello, how may I help you at this moment?

USER: I am planning to attend music concert at ORD, can you please help me with booking a flight ticket from CLT?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: Sure, I would like to take off on 07/23 and return on 07/25.

ASSISTANT: Noted. Please wait for a moment, I will check the availability.

USER: Ok, but please make sure that the price limit does not exceed 200.

ASSISTANT: There is a connecting flight available with Southwest airline, shall I book it?

USER: Yes, please proceed with the booking.

ASSISTANT: Your booking is done with flight number 1001. Happy journey.

USER: I appreciate your help, thank you.

ASSISTANT: You are welcome, have a nice day.