You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hi.

USER: Myself Catherine Robinson.

ASSISTANT: Tell me how can I assist you?

USER: I want to book a flight ticket from LAX to MSP, could you please help me?

ASSISTANT: Can you please tell me your journey dates?

USER: My planning dates are 02/20 and 02/22.

ASSISTANT: Sorry, no flights found on your details.

USER: It's Ok.

ASSISTANT: Thank you for contacting us.

USER: You are welcome.