You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: Sure, I will help you out. May I know your travelling dates please?

USER: My travel dates are 02/27 and 02/29.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry, there are no flights found on this name.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for reaching us.