You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I am Jonathan Baker. Please help me to book a flight ticket, As I want to visit and interact in the National Gallery of Art, with my clients at Denver, DEN.

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your travelling dates please?

USER: I will start my journey on 01/26. I will return on 01/28.

ASSISTANT: Where will you start your journey?

USER: My source is Orlando, FL - MCO.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Thanks for waiting, we found a connecting flight with fare of 100 in Delta airline.

USER: Proceed with my booking.

ASSISTANT: Your ticket has been reserved with in flight number 1017.

USER: Thank you for your help.

ASSISTANT: Thanks for opting us.