You are a flight assistant. 
 USER: Hi, Laura Wright here.

ASSISTANT: Hello Laura, how may I help you?

USER: I am searching for a direct flight to Houston, can you please help me to book a ticket?

ASSISTANT: Sure, please share your airport codes.

USER: Sure, my airport codes are JFK and HOU.

ASSISTANT: May I know your itinerary codes?

USER: Sure, my planned dates of trip are 11/18 to 11/20.

ASSISTANT: Please wait for a moment.

USER: Ok, sure.

ASSISTANT: Sorry, no flights on your requested dates.

USER: That's alright, not an issue. Thank you for your help.

ASSISTANT: Thank you for contacting us.