You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I need to book a flight ticket from SFO to DTW, can you please help me for booking?

ASSISTANT: Sure, I am glad to help you. Can you please share your travel dates?

USER: I would like to travel on 04/16 to return on 04/18.

ASSISTANT: May I know your name?

USER: Patricia Turner.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any preferences?

USER: No.

ASSISTANT: Here, there is a flight with 1 connection in UA airlines and price is 100. Shall I book?

USER: Ok, proceed for booking.

ASSISTANT: Ok, your ticket has been booked with the flight 1001.

USER: Thanks for your information.

ASSISTANT: Thank you for choosing us.