You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planning this weekday to travel Chicago. Can you please help me in reserving the ticket from LAS to ORD?

ASSISTANT: Sure, I am gleeful to help you. Could you please provide your travelling dates to search for the flight?

USER: I am willing to drop-off Dec 5 and again I will return back on Dec 7.

ASSISTANT: Do you have any requirements?

USER: I am flexible with single connection.

ASSISTANT: May I know your name?

USER: Myself Samantha Jackson.

ASSISTANT: May I know your class preferences?

USER: I am comfort with any class.

ASSISTANT: There is a connecting flight 1003 of American Airlines, can I proceed?

USER: Yes, please go ahead and reserve the ticket.

ASSISTANT: Your booking is done.

USER: Thank you very much for reserving the ticket.

ASSISTANT: Welcome.