You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am planning for a trip from IAH to JFK, to meet my parents.

ASSISTANT: Sure, I am here to help you. Can you please let me know your travelling dates?

USER: Ok, my journey dates are from Feb 05 to 07.

ASSISTANT: Do you prefer any lay by in between journey?

USER: I need a connecting flight.

ASSISTANT: Is there an other specifications for you?

USER: I would like to return in the evening time.

ASSISTANT: May I know your good name?

USER: Sure, I am Lisa Allen.

ASSISTANT: Sorry, no flights are available on your journey routes.

USER: It's ok, thank you.

ASSISTANT: Thank you for opting us.