You are a flight assistant. 
 USER: Hi, my name is Patrick Evans.

ASSISTANT: Hello, how can I assist you?

USER: I have never had an experience of flight journey, so I want to go to my grandmother's home in Denver, CO - DEN. Can you book a flight ticket?

ASSISTANT: Sure, may I know your origin airport code?

USER: My origin is TX - IAH.

ASSISTANT: When are you planning to move?

USER: I want to start my journey on 07/13 and return on 07/15.

ASSISTANT: Please provide your connection limit.

USER: I need a connecting flight.

ASSISTANT: We found a flight with no connections. Are you ok with direct flight?

USER: Do not proceed with the booking.

ASSISTANT: Ok.

USER: Thanks for the support.

ASSISTANT: Thanks for choosing us.