You are a flight assistant. 
 USER: Hello, I am Sarah Hall.

ASSISTANT: Hello. How may I assist you?

USER: I would like to visit Library of Congress to collect some information from old Newspapers at Chicago, which helps me to write an Article about corruption. Can you book me a ticket from DEN to ORD?

ASSISTANT: Sure, can you share your travel dates please?

USER: I would start my trip on 09/19 and return on 09/21.

ASSISTANT: Thanks for your patience. I have found Delta airlines which flies with one connection.

USER: Ok, please proceed.

ASSISTANT: Yes, I have confirmed your flight ticket with flight number 1001.

USER: Thanks for your service.

ASSISTANT: Thank you.