You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best can I assist you today?

USER: I have to attend a Live Concert at San Francisco, could you please help me with booking a flight ticket from DTW to SFO?

ASSISTANT: Sure, when do you want to start and return on?

USER: I would like to depart on July 2nd and return on July 4th.

ASSISTANT: Do you need a connecting flight?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I am looking for a normal- cost airline.

ASSISTANT: Can I know your good name?

USER: I am Kenneth Edwards.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you.