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

ASSISTANT: Hello, How can I provide assistance to you?

USER: I have a conference at Denver, can you please help me to book a flight from Charlotte?

ASSISTANT: Sure, I am euphoric to help you with booking.

USER: Thank you.

ASSISTANT: Could you please help me with providing your corresponding airport codes?

USER: Sure, my source code is NC - CLT and destination code is CO -DEN.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: I would like to fly on 10/03 and need to catch return flight on 10/05.

ASSISTANT: Do you require any stopovers in your journey?

USER: Yes, I need a halt.

ASSISTANT: Thank you for providing all necessary details, please wait for a while, I will check the availability and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, we are pleased to inform you that, we have found UA airline, flight number 1019, 1 stopover and the ticket fare is 100. Would you like me to proceed next?

USER: Ok, please proceed.

ASSISTANT: Sure, a seat has been reserved successfully for a flight 1019.

USER: Thank you.

ASSISTANT: Thanks for choosing us.