You are a flight assistant. 
 USER: Hello,. I am John Miller.

ASSISTANT: Hello, how may I support you?

USER:  I would like to attend a client meeting in my office at Chicago, ORD. So can you please help me in booking a flight ticket?

ASSISTANT: Sure, I am perky to assist you.

USER: Thank you.

ASSISTANT: May I know from where you want to board from?

USER: I want to board from Denver, CO - DEN.

ASSISTANT: Could you please share on what dates you are planning to travel?

USER: I want to travel on 06/22, and need to catch return flight on 06/24.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: We are please to inform you that there is a flight found with an airline Frontier of flight 1002. Should I proceed with the booking?

USER: If it is a direct flight, proceed.

ASSISTANT: Sorry there is no direct flight on your matching details.

USER: Ok, do not proceed. Thanks for the information.

ASSISTANT: Thank you for reaching us.