You are a flight assistant. 
 USER: Hello, I am Jack Edwards.

ASSISTANT: Hello, how can I help you today?

USER: I would like to go to a event in Philadelphia, so could you please book a ticket for me?

ASSISTANT: Sure, may I know your airport codes please?

USER: Sure, my source and destination airport codes are LAS and PHL.

ASSISTANT: Ok, can you please share your travel dates please?

USER: I would like to go on 07/02 and return back on 07/04.

ASSISTANT: Spirit airlines is having a flight with travel charge of 200, shall I proceed for booking?

USER: Ok, please proceed for further.

ASSISTANT: Your ticket has been booked with flight-1018, have a safe journey.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.

USER: Welcome.