You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What type of service you are expecting from us?

USER: Can you please help me in booking a flight from PHL to SFO?

ASSISTANT: Ok, I am here to help you with that. Can I know your itinerary dates?

USER: I want to fly on Nov 15 and return on Nov 17.

ASSISTANT: Can I have your name?

USER: Myself Brian Moore.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Ok, wait for a minute.

USER: Ok.

ASSISTANT: I have found a connecting flight having a ticket fare of 100 which is provided by Delta airlines in an economy class. Shall I proceed with the booking?

USER: Your can proceed to booking.

ASSISTANT: I have reserved your ticket with the flight number 1002.

USER: Thank you.

ASSISTANT: Thank you for consulting us. Have a safe journey.