You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I'm Jack Martin. I am planning to attend business meeting at Houston, can you please help me with booking a flight ticket?

ASSISTANT: Martin, please tell me your travelling dates.

USER: Sure, I would like to take off on 11/27 and return back on 11/29.

ASSISTANT: Ok, may I know your origin and destination codes?

USER: My source airport code is SFO and the destination airport code is HOU.

ASSISTANT: According to your details, there is a flight with 0 connections and the fare is 100. Are you ok with this plane?

USER: I need a flight with 1 connection.

ASSISTANT: Martin, there is no plane with 1 connection.

USER: Ok, no issues. I will try another way to complete my trip. Thank you for checking.

ASSISTANT: My pleasure, thank you for opting us.