You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Shirley Edwards.

ASSISTANT: How can I help you for the day?

USER: I am planning to book a ticket from SFO to DTW. Can you please help me out to book a ticket for me?

ASSISTANT: Sure, I am here to help you with that flight ticket booking. May I know your travelling dates, please?

USER: I would like to travel on Oct 13 and return back on Oct 15.

ASSISTANT: Do you have any other specifications?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: There is no flight available in this route as per your travel dates.

USER: That's fine, thank you for your service.

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