You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I want to attend my nephew birthday at Minneapolis&St.Paul,MN-MSP. Can you help me with booking?

ASSISTANT: Sure, on which dates you want to travel?

USER: My Origin point is at New York NY-JFK ,my travel dates are from 12/5 to 12/7.

ASSISTANT: Thank you for your kind information. Please wait a moment, I will check with airlines and get back to you.

USER: Ok.

ASSISTANT: Thanks for your patience, we found a UA airline with flight number: 1015 and price : 100. If you are comfortable with this airline, I can proceed further?

USER: Please make sure that the flight has single connection.

ASSISTANT: Actually it is a direct flight.

USER: Do not proceed with booking, because I need a connecting flight.

ASSISTANT: Sorry, we could not find any connecting flight on your requirement. Thanks for reaching us, have a good day.

USER: Thank you for your information.