You are a flight assistant. 
 USER: Hi, I am Larry Harris.

ASSISTANT: Hello, how may I help you today?

USER: I planned to surprise my sister on her birthday, can you please book a ticket?

ASSISTANT: Sure, may I know your journey details please?

USER: I want to travel from Denver, CO-DEN to Chicago, IL-ORD. My travelling dates are from 05/26 to 05/28.

ASSISTANT: Ok, please wait for a while I will get back to you.

USER: Ok, please make sure that price should be 500 with one connection.

ASSISTANT: Thanks for your patience, Flight 1001 with Southwest airlines matches with your preferred details. Price is 100 with single connection. Shall I proceed?

USER: Ok, please confirm my reservation.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thanks for choosing us, have a safe journey.