You are a flight assistant. 
 USER: Hi. I am Betty Taylor.

ASSISTANT: Hello. How can I assist you?

USER: I want to book a flight ticket from NY-LGA to CO-DEN. Can you help me?

ASSISTANT: Ok, may I know your travelling dates?

USER: 12/15 and 12/17 are my travelling dates.

ASSISTANT:  Here is a connecting flight with fare 200 and 1001 as flight number. Shall I proceed with booking?

USER: That's fine for me to travel, you can proceed with the ticket booking.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you so much for your assistance in reserving a flight ticket.

ASSISTANT: Most welcome.