You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I assist you?

USER: Can you book a flight ticket in my preferable travel dates Mar, 23 and Mar, 25?

ASSISTANT: Sure, May I know the journey codes?

USER: IAH and JFK are my airport codes.

ASSISTANT: Do you have any connection limit?

USER: I am looking for single connection.

ASSISTANT: Is there any other requirements?

USER: No, thanks.

ASSISTANT: May I know your name?

USER: Brenda Clark here.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for availing us.