You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Nancy Taylor.

ASSISTANT: How can I assist you Nancy Taylor?

USER: I want to attend my business meeting in Seattle.Can you book a ticket from PHL to SEA?

ASSISTANT: Sure, can you please provide your travelling dates?

USER: I would like to fly on 12/11 and 12/13.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: UA airlines is providing service on this route with a ticket fare of 200, shall I book your ticket?

USER: Yes, proceed to booking.

ASSISTANT: Your ticket is confirmed with flight number 1003.

USER: Thank you for helping me out.

ASSISTANT: Thank you, have a safe flight.