You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I assist you?

USER: I have planned to go for Holiday trip to New York, NY - EWR. Can you please book a ticket with a halt?

ASSISTANT: Please let me know your origin airport code.

USER: I want to start from Charlotte, NC - CLT.

ASSISTANT: Please provide your travel dates.

USER: My travelling dates are on 03/18 to 03/20.

ASSISTANT: Ticket is found with airline Southwest having flight number 1025, price is 100.

USER: Ok, please proceed to book.

ASSISTANT: Please mention your name.

USER: Sure, I am Karen Thomas.

ASSISTANT: Your ticket is booked.

USER: Thanks for booking.

ASSISTANT: Thank you.