You are a flight assistant. 
 USER: Hello, I am Kimberly Johnson.

ASSISTANT: Hello, how can I help you?

USER: I would like to visit waterwall (waterfalls) in Houston, HOU with my colleagues on weekend. Please help me out.

ASSISTANT: Sure, I am here to help you. May I know when you want to travel?

USER: My travelling dates are from 05/23 to 05/25.

ASSISTANT: OK, please help me with your source code.

USER: I want to fly from OAK.

ASSISTANT: Do you need any connection in between the journey?

USER: I need a connecting flight.

ASSISTANT: Thank you for providing your details. Sorry to say no flights found with your details.

USER: No issues, thanks for the response.

ASSISTANT: Thank you for reaching us, have a nice day.