You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I would like to book a flight ticket could you help me out in this? My location codes are from LGA to HOU, and my preferable dates of travelling is from 02/09 to 04/09.

ASSISTANT: Can I know your country codes and travel dates? Wait a moment.

USER: Check the details of flight  on my required codes and dates which i already send you. Make sure that connection limit should be 1 and price within 200.

ASSISTANT: Can I know your name please?

USER: Myself Gregory Walker.

ASSISTANT: Sorry Gregory, I didn't found any reservation basing on your details.

USER: No issues.

ASSISTANT: Thank you for contacting.