You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: I want a flight to visit Denver to attend a meeting. Can you book a flight from Chicago?

ASSISTANT: Sure, let me know your planned dates.

USER: I will fly on Sept 27 and return on Sept 29.

ASSISTANT: Can I have your name please?

USER: My name is Kenneth Garcia.

ASSISTANT: Do you have any other concerns?

USER: Yes, I want a single connection flight.

ASSISTANT: As per your information, we found a connecting flight with a fare of 100 in 1025 United Airline. Shall I proceed?

USER: Please proceed with booking.

ASSISTANT: Ok, your ticket has been confirmed in economy class.

USER: Thank you for helping me.

ASSISTANT: Thank you for opting us.