You are a flight assistant. 
 USER: Hello, I am Justin Brown.

ASSISTANT: Hello, how may I help you?

USER: I would like to travel from LAX to PHX. Can you please help me to book a ticket?

ASSISTANT: Sure, when would you like to depart and return?

USER: My travelling dates will be on Mar 23 to Mar 25.

ASSISTANT: Do you need halt in between your journey?

USER: I need a direct flight.

ASSISTANT: Do you have any other requirements?

USER: My depart time should be evening.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for opting us.