You are a flight assistant. 
 USER: Hello, I am Cynthia Moore.

ASSISTANT: Hello, how can I help you today?

USER: I want to fly from LAX to PHX, can you help me with flight ticket booking?

ASSISTANT: Sure, we are here to help you. Can you please help me with your travel dates?

USER: My depart is on 11/23 and return on 11/25.

ASSISTANT: How much can you afford for this journey?

USER: My price limit is 500.

ASSISTANT: Ok, please wait a moment.

USER: OK.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: No problem, thank you for the information.

ASSISTANT: Thanks for reaching us, have a good day.