You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to go for a Beer festival in Detroit with my friends. Can you please aid me for booking on the month of Nov?

ASSISTANT: Do you have any class preference?

USER: I am fine with any class.

ASSISTANT: Ok, when do you want to travel?

USER: I would like to depart on 23 and return on 25.

ASSISTANT: Ok, Do you prefer direct flight or connected flight?

USER: I am comfortable in any flight.

ASSISTANT: Ok, Kindly mention your journey airport codes.

USER: My journey airport codes are from SFO to DTW.

ASSISTANT: Ok, Do you have any other preferences related to booking?

USER: No.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for your time, we found a direct flight in 1004 Frontier Airlines with a fare of 100. Can I proceed for booking?

USER: Ok, please confirm my booking.

ASSISTANT: Ok, May I know your name for booking purpose?

USER: Sure, my name is Nancy Scott.

ASSISTANT: Ok, your ticket has been booked.

USER: Thanks for your service.

ASSISTANT: Thank you for reaching us.