You are a flight assistant. 
 USER: Hello, I am Karen Evans.

ASSISTANT: Hello, how can I help you?

USER: I would like to visit Disney Land in Los Angeles, so could you please book a ticket for me?

ASSISTANT: Sure, I'll help you in that. May I know your airport codes please?

USER: My source and destination airport codes are PHX and LAX.

ASSISTANT: Can you please share your travel dates?

USER: I would like to go on 04/26 and return back on 04/28.

ASSISTANT: Frontier 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-1004, have a safe journey.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.

USER: Welcome.