You are a flight assistant. 
 USER: Hello. I'm Jerry Brown.

ASSISTANT: Hello Brown, how can I aid you?

USER: I love to go to beach during summer, so could you please book a ticket from LGA to CLT?

ASSISTANT: Sure, can I know your travel dates?

USER: I would like to travel on 04/03 and return on 04/05.

ASSISTANT: Give me a minute, I will be back with the flight details.

USER: Ok.

ASSISTANT: Sorry Brown, there are no flights available on your requested dates.

USER: That's ok. No problem. Thank you.

ASSISTANT: You are welcome.