You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you help me booking a flight ticket from JFK to SFO?

ASSISTANT: May I know your travelling dates?

USER: I will start on 06/21 and return on 06/23.

ASSISTANT: May I know your connection limit?

USER: I need a break in my journey.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your good name?

USER: I am Patrick Clark.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: There were no flights found with your required dates to travel.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for opting us.