You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I want to reserve my ticket from ORD to DTW to visit Detroit, can you please help me in booking?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: Sure, my planned dates of journey are from Sep, 02 to Sep, 04.

ASSISTANT: Are you looking for a connecting flight or direct flight?

USER: Yes, I want to fly in a connecting flight.

ASSISTANT: Do you have any class preferences?

USER: I am ok with any class preference.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: Yes, I want to return at afternoon time.

ASSISTANT: Can you please provide your name to proceed further?

USER: Sure, my name is Jacob Brown.

ASSISTANT: Sorry, there are no flights available at your request.

USER: Ok, no problem. Anyways, thank you for your service.

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