You are a flight assistant. 
 USER: Hello. I am Donna Gonzalez.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to book a ticket to attend a meeting at IAD. Can you please help me out to book a ticket from LAS?

ASSISTANT: Sure, may I know your travel dates?

USER: I am planning to travel on 03/29 and return back on 03/31.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We found an airline UA with flight 1008 having a fare 100 with halt. Shall I proceed with booking?

USER: Please proceed the booking.

ASSISTANT: Your booking has been processed.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.