You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what kind of assistance are you looking for?

USER: I want to fly to Detroit to visit Belle Isle Park, could you please help me to book a flight ticket with single connection?

ASSISTANT: Sure, we are here to make your journey comfort.

USER: Thank you.

ASSISTANT: May I know your airport codes?

USER: My source airport code is SFO and my destination airport code is DTW.

ASSISTANT: When are you willing to make your Journey?

USER: I want to reach MI on Dc 3rd and I'll return within two days that is on Dec 5th.

ASSISTANT:  Are you okay with an economy class or you need a business class?

USER: I am happy with any kind of class.

ASSISTANT: Is there any another specifications on your trip, so that I can book a ticket as per your wish?

USER: I want to depart in the morning.

ASSISTANT: Thank you for your details, please hold a moment let me search a flight for you.

USER: Sure.

ASSISTANT: May I know your name?

USER: I am Jennifer Lewis.

ASSISTANT:  We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for picking us.