You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I would like to book a flight ticket to attend a music festival at Houston, HOU. Can you please book a flight ticket within the fare of 1000?

ASSISTANT: Sure, let me know your travelling dates?

USER: My travelling dates are 05/18 and 05/20.

ASSISTANT: May I know your source airport code please?

USER: My source is from New York, JFK.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: May I know your good name please?

USER: My name is Karen Smith.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, we found a Delta airline with fare 100 and a halt in between the journey.

USER: Ok, proceed with the booking.

ASSISTANT: Your ticket has been confirmed with flight number 1020.

USER: Thank you for the help.

ASSISTANT: Thanks for reaching us.