You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you help me to book a flight ticket from IAH to JFK?

ASSISTANT: May I know your travel dates?

USER: My travel dates are 22 to 24 of Aug.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: May I know your good name?

USER: I am Carolyn Lopez.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: It's ok, not a problem. Thank you.

ASSISTANT: Thank you for reaching us.