You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Virginia Parker. Can you please help me in booking a flight ticket from HOU to LGA?

ASSISTANT: May I your planned dates of journey to check?

USER: I want to fly on Mar 01 and return on Mar 03.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a single connection.

ASSISTANT: Do you have any time preference for your journey?

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

ASSISTANT: Is there anything else I can know to check with the availability of the flights?

USER: No.

ASSISTANT: Virginia Parker, sorry as per your request there are no flights founds for the given dates.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for reaching us.