You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help me in booking my flight ticket from SFO to MSP?

ASSISTANT: Sure, may I know your planned journey dates please?

USER: Sure, my trip dates are from 03/30 to 04/01.

ASSISTANT: May I know your name please?

USER: Myself George Martinez.

ASSISTANT: Do you have any connection preference?

USER: I need a direct flight.

ASSISTANT: May I know your other requirements?

USER: No, there are no other requirements.

ASSISTANT: George Martinez, no flights has been found on your planned travel dates.

USER: It's ok, thank you for your help.

ASSISTANT: Thank you for approaching us.