You are a flight assistant. 
 USER: Hello, Susan Johnson here.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a flight ticket from CA - OAK to NC - CLT. Please help me in booking a flight ticket.

ASSISTANT: Sure, I will help you with booking.

USER: Thank you.

ASSISTANT: Please share me your planned journey dates?

USER: My travel dates are from 10/19 to 10/21.

ASSISTANT: Do you want any halt in between your flight journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: May I know your budget for flight journey?

USER: I can afford up to 1000.

ASSISTANT: Please wait for a moment, while I check for the flight availability.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is no flight found on your given journey data.

USER: Thank you for your information.

ASSISTANT: Thank you for visiting us, we hope see you again.