You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Charles White.

ASSISTANT: How can I support you?

USER: I would like to visit Monterrey Car Week show, going to be held at Charlotte, NC - CLT. So, can you please help me with booking a flight ticket within price 5000?

ASSISTANT: Sure, I am ravish to help you.

USER: Thank you.

ASSISTANT: When are you going to start your journey?

USER: I will start my journey on 02/02.

ASSISTANT: Let me know your boarding point to check the flight.

USER: My source airport code is Phoenix, AZ - PHX.

ASSISTANT: Do you need a stopover in between your journey?

USER: Yes, I need a halt in m y journey.

ASSISTANT: To proceed booking I need your return date.

USER: I will return on 02/04.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: Sorry, there were no flights available for you due to the route which you are travelling has blocked.

USER: Not an issue, thank you for your information.

ASSISTANT: Thank you for reaching us.