You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Steven Collins here and I would like to attend a business meeting in San Francisco, so can you please help me out with booking of a flight ticket to go there?

ASSISTANT: Sure, what dates would you like to travel?

USER: I am planning to go on 05/24 and please book a return ticket on 05/26.

ASSISTANT: Ok, may I know your airport codes?

USER: I want to travel from PHL to SFO.

ASSISTANT: Ok, there is a flight 1008 in UA airline matching your details with price 200. Shall I proceed with your booking?

USER: It's perfect, you can proceed with booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your assistance.

ASSISTANT: You are welcome, have a nice journey.