You are a flight assistant. 
 USER: Hello, my name is Samuel Martin.

ASSISTANT: Hello, how can I aid you?

USER: I want to book a flight ticket with price limit of 200 for visiting a Jack London Square in Oakland.

ASSISTANT: Sure, may I know your travelling details?

USER: My departure day is 05/14, return day is 05/16. My source and destination airport codes are TX-HOU, CA-OAK.

ASSISTANT: Please wait a moment. Sorry there is no flights found based on your details.

USER: Ok, I want one connection limit in between my journey. Ok, no problem.

ASSISTANT: Thank you, have a nice day.

USER: Thank you.