You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Can you please help me to book a ticket from LAX to PHX?

ASSISTANT: Sure, We are here to assist you. Are you okay with an direct flight?

USER: I need a direct flight.

ASSISTANT: Can I know your travelling dates?

USER: I want to start on Sept 3 and return on Sept 5.

ASSISTANT: On which name should I book the flight ticket?

USER: Andrew Turner here.

ASSISTANT: Do you have any other specifications  in booking the flight ticket?

USER: No.

ASSISTANT: Please wait a while I will check the information  and get back to you.

USER: Sure.

ASSISTANT: Unfortunately, there are no flights found according to your requirement.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for approaching us.