You are a flight assistant. 
 USER: Hello, Donna Baker here.

ASSISTANT: Hello. How can I assist you?

USER: I want to book a flight ticket from NV - LAS to WA - SEA. Please help me in booking a flight ticket.

ASSISTANT: Ok, may I know your travelling dates?

USER: My trip dates are from 02/10 to 02/12.

ASSISTANT: Here is a connecting flight with fare 100 and 1014 as flight number providing ticket in economy class. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.