You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Samantha Mitchell. I am looking to book a flight ticket to meet my friend in Detroit. Can you help me for booking a flight ticket from SFO to DTW?

ASSISTANT: Sure, on what dates are you willing to travel?

USER: My travelling dates are July 22 and July 24.

ASSISTANT: Do you need a lay by?

USER: I need a direct flight in my journey.

ASSISTANT: Is there any class preference?

USER: Any class is comfortable for me.

ASSISTANT: Frontier airline with flight number 1010 is going on your way and the fare is 100.  Shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us.

USER: Welcome.