You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Larry Wilson.

ASSISTANT: How may I assist you today?

USER: I planned to meet my cousin in HOU, can you please help me to book a flight ticket from DEN?

ASSISTANT: Sure, I am gleeful to help you. Could you please provide your travelling dates to search for the flight?

USER: I prefer to travel on May 7 and May 9.

ASSISTANT: Airline AA is providing flight with price 100 and connection is 1, shall I proceed?

USER: I need a direct flight.

ASSISTANT: Sorry for this inconvenience, I could not find any direct flight for this route.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: You are welcome.