You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: I am Richard Martinez want to attend a meeting at Houston, so can you please help me with booking a ticket with a direct flight?

ASSISTANT: Sure, we are mirthful to help you to book a flight ticket.

USER: Thank you.

ASSISTANT: May I know your journey airport codes?

USER: My journey airport codes are New York, NY-JFK and Houston, TX-HOU.

ASSISTANT: Ok, please share your journey dates.

USER: My preferred dates of travel are 03/27 and 03/29.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, there were no flights found on your specified details.

USER: No problem, I will try with another airline. Thank you.

ASSISTANT: Thank you for contacting us.