You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jonathan Smith here.

ASSISTANT: How can I assist you at this moment?

USER: I am planning to visit San Francisco for a business conference, can you please reserve a flight ticket from BOS to SFO?

ASSISTANT: Sure, I am happy to assist you in booking flight ticket. Can you please mention your preferable travel dates for booking flight ticket?

USER: Thank you for considering my request, I am planning to leave my location on 06/27 and please book my return ticket also on 06/29.

ASSISTANT: Just give me a moment, I will check flight availability in this route.

USER: Ok, take your time.

ASSISTANT: UA 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 fine for me to travel, you can proceed with booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1004.

USER: Thank you for your great assistance.

ASSISTANT: You are welcome Jonathan Smith.