You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to book a ticket from IAD to LAS, can you please help me with that?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: The travel dates are from 11/02 to 11/04.

ASSISTANT: Do you have any preferences?

USER: I need a flight with 1 connection limit.

ASSISTANT: On what name, do I need to reserve the ticket?

USER: Lisa Lopez here.

ASSISTANT: We found a direct flight 1028 from United airlines with a fare 200, shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for reaching us.