You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planning to book a ticket from MSP to SFO. Can you please help me out?

ASSISTANT: May I know your journey dates?

USER: I am planning to travel on Sept 11 and return back on Sept 13.

ASSISTANT: Is there any connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Any more requirements?

USER: No.

ASSISTANT: Can I have your name?

USER: My name is Samuel Robinson.

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

USER: That's fine,  thank you for your service.

ASSISTANT: Thank you for opting us.