You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am looking for a flight from DFW to SFO, can you please help me in booking?

ASSISTANT: Sure, please share your trip dates?

USER: My travelling dates are June 03 and June 05.

ASSISTANT: Do you need a connecting flight?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No, thanks for asking.

ASSISTANT: Can I know your good name?

USER: My name is Susan Robinson.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

USER: That's ok, thank you for checking.

ASSISTANT: Its ok, thank you.