You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: Can I know your travelling dates?

USER: My travelling dates are Nov 12 to 14.

ASSISTANT: Do you have specification?

USER: I prefer a connecting flight.

ASSISTANT: Do you have class preference?

USER: No.

ASSISTANT: May I know your name?

USER: I am Amy Robinson.

ASSISTANT: Found ticket with American airlines for price 300.

USER: Please proceed.

ASSISTANT: Ticket is booked in business class having flight number 1004.

USER: Thank you.

ASSISTANT: Thank you.