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 EWR to LAS?

ASSISTANT: Sure, when do you want to travel?

USER: My travelling dates are from 12/02 to 12/04.

ASSISTANT: Ok, Do you have any class preference?

USER: No, there is no class preference for me.

ASSISTANT: Ok, Kindly mention your connection limit.

USER: I need a single connecting flight.

ASSISTANT: Ok, Is there any other preferences?

USER: No.

ASSISTANT: Ok, May I know your name?

USER: Myself Donna Anderson.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for your time, we found a connecting flight in 1002 Southwest Airlines with a fare of 100. Can I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.