You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your name?

USER: Yes, I am Raymond Allen.

ASSISTANT: How may I amend you, Raymond?

USER: I want to travel Charlotte because an event is going on there which belongs to my parents. Can you please help me to book a flight ticket?

ASSISTANT: Sure, I can help you in booking. May I know your airport codes?

USER: Sure, my source code is LAX and destination airport code is CLT.

ASSISTANT: Ok, how much can you afford for this journey?

USER: I can afford only 500.

ASSISTANT: OK, when will you go to Charlotte?

USER: I want to go to Charlotte on 02/21.

ASSISTANT: Ok, do you need any stopover in between your journey?

USER: Yes, I need 1 stopover in between your journey.

ASSISTANT: When are you planning to return back?

USER: I am planning to return back on 02/23.

ASSISTANT: Please wait. Raymond, we are sorry to say that there is no flight available on your route.

USER: Not an issue, I will go with another resources to reach out my destination. Anyway thank you for the help.

ASSISTANT: Thank you for contacting our service.