You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Myself Katherine nelson.

ASSISTANT: Yes, Katherine.

USER: I want to book a ticket from MSP to LGA, could you please help me?

ASSISTANT: Sure, let me know your journey dates.

USER: My trip dates are 05/20 and 05/22.

ASSISTANT: Ok, wait. Katherine, sorry to say you that there is no flight available with your requested dates.

USER: It's ok.

ASSISTANT: Do you like to travel with another dates?

USER: No.

ASSISTANT: Ok. Thank you for reaching us.

USER: Thank you.