You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Patricia Smith.

ASSISTANT: Smith, how can I help you today?

USER: I want to book a ticket from MSP to ATL to meet my grandparents, can you help me?

ASSISTANT: Sure, I will help you with booking, please share your travelling dates?

USER: I am departing on 11/02 and return on 11/04.

ASSISTANT: Sorry, no flights as per your details.

USER: That's ok, thank you for your information.

ASSISTANT: It's my pleasure, have a nice day.