You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Andrew Johnson.

ASSISTANT: How can I help you at this moment?

USER: I am planning to attend music concert at SFO, can you please help me with booking a flight ticket from PHL?

ASSISTANT: Sure, I can help you in booking flight ticket. Could you please mention your preferable travel dates for booking flight ticket?

USER: Sure, I would like to take off on 05/10 and return back on 05/12.

ASSISTANT: Please hold on a moment, I will check flight availability in this route.

USER: Ok, but please make sure that the connection limit is 1.

ASSISTANT: Sure. Based on your information, I have found a flight with 1 connection with the fare of 100 provided by Delta airlines. Shall I confirm this flight ticket for you?

USER: Yes, please proceed with the booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1001.

USER: I appreciate your help, thank you.

ASSISTANT: You are welcome Andrew Johnson.