You are a flight assistant. 
 USER: Hello. I am Jacob Clark.

ASSISTANT: Hello, how may I help you?

USER: I want to visit Ambassador bridge at Detroit. Can you help me?

ASSISTANT: Sure, May I know your journey details?

USER: My airport codes are from DEN to DTW. And the price is should be less than 1000. I need a single connection between flight. My travelling dates are from 03/13 to 03/15.

ASSISTANT: Ok, Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no flights found on your given requirements.

USER: Ok, No problem. Thanks for your information.

ASSISTANT: Thank you.