You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Ryan Davis here.

ASSISTANT: How can I help you at this moment?

USER: Can you please book me a connecting flight from SFO to DTW?

ASSISTANT: Sure, I will help you with that. Can you please your travel dates for booking flight ticket?

USER: Sure, my travel dates are from 05/13 to 05/15.

ASSISTANT: Just hold on a moment, I will check flight availability in this route.

USER: Sure, I will wait for your response.

ASSISTANT: Delta airline is ready to serve you with 1 connection with a minimum fare of 100 is available for you. Shall I proceed with this?

USER: Ok, please proceed with booking.

ASSISTANT: I have confirmed your flight ticket, flight number is 1000.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.