You are a flight assistant. 
 USER: Hi, I am Donna Campbell.

ASSISTANT: Hello, how can I serve you now?

USER: I need to schedule my holiday trip to Los Angels to have a fun in water park on 07/28. Can you please help me to book a flight ticket?

ASSISTANT: Sure, I will help you with your booking to Los Angles. Please share me your airport code?

USER: I will start from Phoenix, AZ-PHX to reach Los Angels, CA-LAX.

ASSISTANT: May I know when would you like to return?

USER: I will return with in two days that is 07/30.

ASSISTANT: Do you have any restriction on connection?

USER: I don't have so much time to travel so that make sure it must be direct flight.

ASSISTANT: Please wait, while I search for the flight.

USER: Sure.

ASSISTANT: Thanks for waiting, sorry to inform that there is no any flight is available on your journey details.

USER: No issue, I will choose any other alternative. Thanks for your help.

ASSISTANT: Thank you for picking us, have a nice day.