You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am planning to attend business meeting at LAS, can you please help me with booking a flight ticket from HOU?

ASSISTANT: May I know your desired travel dates please?

USER: Sure, I would like to take off on Aug 2 and return on Aug 4.

ASSISTANT: Do you prefer a direct or connecting flight?

USER: Yes, I am looking for a direct flight.

ASSISTANT: Do you have any other specifications?

USER: I don't have any other specification.

ASSISTANT: May I know your name please?

USER: My name is Jason Parker.

ASSISTANT: There is a flight with connection limit 1 and fare 100, shall I proceed for booking?

USER: Can you please check for the direct flight?

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Sorry to say, there is no flight on your desired travel dates.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for opting us.

USER: You are welcome.