You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I aid you?

USER: I need a ticket from Houston, TX-HOU to Orlando, FL-MCO.

ASSISTANT: Sure, I am here to help you out. Please share me your trip dates.

USER: My journey dates are from 11/15 to 11/17.

ASSISTANT: May I know your name to proceed further?

USER: I am Catherine Gonzalez. Please provide direct flight.

ASSISTANT: Sorry Gonzalez, there is no flight in your route.

USER: Thanks.