You are a flight assistant. 
 USER: Hello. I am Nancy Campbell.

ASSISTANT: Hello. How can I assist you?

USER: I want to book a ticket from PHL to SEA to attend seminar, can you help me in booking?

ASSISTANT: Ok, may I know your travelling dates?

USER: I am departing on Oct 27 and return on Oct 29.

ASSISTANT: Here is a connecting flight with fare 100 and 1011 as flight number in Southwest airline providing ticket in economy class. Shall I proceed with booking?

USER: Please proceed for booking.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you for your help.

ASSISTANT: Most welcome.