You are a flight assistant. 
 USER: Hi, I am Nicholas Johnson.

ASSISTANT: Hello, how may I help you?

USER: I want to book a flight ticket to attend Science Exhibition in San Francisco, CA - SFO. Can you please avail me a flight ticket from Denver, CO - DEN?

ASSISTANT: Sure, can I have your dates of journey please?

USER: My travel dates are 11/04 - 11/06.

ASSISTANT: We found a flight in Delta airlines, flight number is 1002 with one connection and price is 100.

USER: Please proceed with the booking.

ASSISTANT: Ok, your ticket has been processed.

USER: Thanks for the help.

ASSISTANT: Thank you for choosing us.