You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jacob Mitchell.

ASSISTANT: Jacob, how can I help you?

USER: I want to book a ticket from MSP to LAS, can you help me?

ASSISTANT: Sure, can you please tell me your trip dates?

USER: My travel dates are 12/05 and 12/07.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Sorry Jacob, I did not find any flight available on your given dates.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for choosing us and have a nice day.