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

ASSISTANT: Hello, How can I serve you?

USER: Can you help me booking a flight ticket from PHX to LAX?

ASSISTANT: Sure, May I know the journey dates?

USER: I will start on Mar, 24 and return on Mar, 26.

ASSISTANT: Do you have any class preference?

USER: No, but I need to depart in the afternoon time?

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for opting us.