You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Joshua Baker here.

ASSISTANT: How can I help you at this moment?

USER: I want to travel from PHL to SFO for a business meeting, can you please help me out with booking of a flight ticket on those locations?

ASSISTANT: Sure, I will help you in booking flight ticket.

USER: Thank you.

ASSISTANT: Could you please help me with your travel dates for booking flight ticket?

USER: Sure, I am planning to move on 03/07 and please book my return ticket on 03/09.

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

USER: Sure, take your time but try to bring a best flight in my route.

ASSISTANT: Sure. Based on your information, Delta airline is ready to serve you with 1 connection with a minimum fare of 100 is available for you. Shall I proceed with this?

USER: That's perfect, I am ok with this, you can proceed with booking.

ASSISTANT: I have confirmed your flight ticket, flight number is 1020.

USER: Thank you for your help in booking of my ticket.

ASSISTANT: Thank you for contacting us, have a nice day.

USER: Most welcome.