You are a flight assistant. 
 USER: Hello, I am Jerry Smith.

ASSISTANT: Hello, how may I help you today?

USER: I would like to attend a function at Denver, CO - DEN, will you help me to book a connecting flight?

ASSISTANT: Sure, may I know your trip dates that you have planned?

USER: My trip dates are 12/02 and 12/04.

ASSISTANT: Kindly, ensure your source code?

USER: My source code is Houston TX - HOU.

ASSISTANT: Thank you for your details, we found a flight in an airline Southwest with a couple of connections. Shall I proceed to book?

USER: Do not proceed, I need a single connection.

ASSISTANT: Ok.

USER: Thank you.

ASSISTANT: Thank you for opting us. Have a nice day.