You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Katherine Hernandez.

ASSISTANT: How may I aid you?

USER: I want to attend a conference in Cobo Center which is famous in Detroit, DTW. Can you help me to book a flight from San Francisco, SFO?

ASSISTANT: Sure, I am here to help you out with that. Can you please share your travel dates?

USER: My travel dates are Nov 28 and 30.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: UA airlines is having a connecting flight with a fare of 100, shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your booking is done with the flight-1004 in economy class.

USER: Thank you for helping me.

ASSISTANT: Welcome, have a safe journey.