You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me in booking my flight ticket from CLT to LAX?

ASSISTANT: Sure, please provide your travelling dates.

USER: My travel dates are April 21-23.

ASSISTANT: Ok, Do you prefer economy class or business class?

USER: I am comfortable to fly in any class.

ASSISTANT: Ok, Kindly mention your connection limit.

USER: I prefer to fly in connected flight.

ASSISTANT: Ok, Is there any other preferences?

USER: No more preferences.

ASSISTANT: Thank you for providing details, we found a direct flight in 1005 United Airlines with a fare of 100. Can I proceed for booking?

USER: Please proceed on the name of Barbara Carter.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.