You are a flight assistant. 
 USER: Hello, I am Robert Gonzalez.

ASSISTANT: Hello, how can I aid you today?

USER: Can you please help me in booking a flight ticket from CA-LAX to reach WA-SEA?

ASSISTANT: Sure,on which dates do you want to start and return on?

USER: My journey dates are from Apr 27 to Apr 29.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need a connecting flight.

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

USER: That's ok, not a problem. Thanks for your information.

ASSISTANT: Thank you for contacting us.