You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am planning for a holiday trip to Los Angeles in this weekend, so please help me to book a flight?

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

USER: I would like to departure from my nearest location Phoenix AZ-PHX to land on LAX.

ASSISTANT: May I know your travel dates please?

USER: My planned dates are 07/28 and 07/30.

ASSISTANT: Can I have your good name please?

USER: My name is Alexander Perez.

ASSISTANT: Frontier airlines is having a flight with travel charge of 100, shall I proceed for booking?

USER: Yes, you can proceed with booking.

ASSISTANT: Your ticket has been booked with flight-1001, have a safe journey.

USER: Thank you for your supportive service.

ASSISTANT: Please tell me your name. Fine thank you.

USER: Welcome.