You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, may I know your name?

USER: I'm Brandon Collins. Please provide a ticket to Oakland, CA-OAK from Charlotte, NC-CLT.

ASSISTANT: Sure, I will provide you. May I know your dates of travel?

USER: Travelling dates are from 07/30 to 08/01.

ASSISTANT: Do you have any specifications?

USER: Ticket price limit is 5000. Connections limit is 1.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there is no connecting flight available from your source.

USER: Thanks.

ASSISTANT: Thank you for availing us.