You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am interested to visit the Denver Museum of Nature & Science, so please help me to book a flight ticket from MSP.

ASSISTANT: Sure, please provide your travelling dates and destination code.

USER: I need to travel on these dates 06/19 and 06/21. The destination airport is DEN.

ASSISTANT: As per your request there is a flight with price 100 and the connections 1. The flight number is 1013.Shall I proceed for booking?

USER: Can you please check once for the flight with connection 0?

ASSISTANT: May I know your name please?

USER: My name is Patricia Lewis.

ASSISTANT: There is no flight with connections 0.

USER: It's ok, don't book the ticket. Thank you for searching.

ASSISTANT: Ok, thank you for reaching us.

USER: You are welcome.