You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What can I do for you at this moment?

USER: I need to book a flight ticket from LAS to DFW, can you help me in booking a flight ticket?

ASSISTANT: Sure, I am here to help you. May I know your travelling dates please?

USER: Sure, my scheduled dates are Jan 2 and Jan 4.

ASSISTANT: Ok, can you please share your connection limit?

USER: I prefer maximum one connection.

ASSISTANT: Do you need economy or business class?

USER: I am comfortable with any class.

ASSISTANT: Can you please share your good name?

USER: Sure, Brenda Baker here.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure.

ASSISTANT: We found a United airlines with fare of 100 and a lay by in between the journey matches your schedule.

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1003.

USER: Thank you for your assistance.

ASSISTANT: Thank you for your opting us.