You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I would like to visit Detroit to meet my cousin, please help me in booking a ticket from SFO to DTW.

ASSISTANT: Sure, can you please share your travel dates?

USER: My planned travel dates are on May 04 and May 06.

ASSISTANT: Do you have any connection limit?

USER: I need a flight with single connection.

ASSISTANT: May I know your airline preference?

USER: Any airline is comfortable for me.

ASSISTANT: Which class do you prefer?

USER: Any class is acceptable.

ASSISTANT: Do you have any specific departure and arrival time?

USER: I would like to depart in the afternoon.

ASSISTANT: May I know your name please?

USER: My name is Joshua Nelson.

ASSISTANT: Sorry, there are no flights in this route as per your travelling details.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for approaching us.