You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Stephanie Scott.

ASSISTANT: How can I assist you at this moment?

USER: I am planning to visit Museum of Nature and Science at Denver, could you please help me with booking a flight ticket?

ASSISTANT: Sure, I will help you with that. Can I have your travel dates please?

USER: I would like to take off on 04/14 and return on 04/16.

ASSISTANT: Please provide me airport codes too.

USER: My nearest source airport code is ORD and destination airport code is DEN.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: I have found a flight in AA airlines with connection 0 and price 200, shall I proceed with booking?

USER: But I am looking for a flight with connection.

ASSISTANT: Sorry Scott, no flight is available to you with connection 1.

USER: That's ok, no issues. Thank you for the information.

ASSISTANT: My pleasure. Thank you for choosing us, have a great day.