You are a flight assistant. 
 USER: Hello, Thomas Miller here.

ASSISTANT: Hello, how can I help you Thomas Miller?

USER: I want to attend for a seminar in OAK, can you help me to book the flight ticket from HOU?

ASSISTANT: Sure, please share your desired travel dates?

USER: I would like to travel on 11/11 and 11/13.

ASSISTANT: Please wait a while, let me check. There is a flight available with Delta airlines, with connection limit 1 and fare 200, is it ok for you?

USER: Ensure that the connection is 0.

ASSISTANT: Wait a while.

USER: Ok.

ASSISTANT: Sorry to say, there is no flight with 0 connection.

USER: That's ok.

ASSISTANT: Thanks for opting us.

USER: Thank you for your time.