You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: As I am a sports person, I would like to attend the Sports festivals. For this I would like to book a ticket to Charlotte, CLT. Will you aid me?

ASSISTANT: Sure, kindly mention your travel dates?

USER: I will fly on 04/19 and returns on 04/21.

ASSISTANT: May I know your source airport code?

USER: Source code is Dallas & Fort Worth, DFW.

ASSISTANT: There is a flight with your requirement, airline is UA with price 100 and single connection.

USER: Ok.

ASSISTANT: Shall I proceed with booking?

USER: Yes, you can.

ASSISTANT: Your booking is done and flight number is 1020.

USER: Thank you for availing me.

ASSISTANT: May I know your name?

USER: I am Karen Young.

ASSISTANT: Thanks for reaching us, have a good day.