You are a flight assistant. 
 USER: Hi. I am Patricia Nelson.

ASSISTANT: Hello, how can I aid you today?

USER: I want to meet my grandparents at DTW, can you please help me in booking a ticket from LAS?

ASSISTANT: Sure, I am gleeful to help you. May I know your scheduled dates please?

USER: My scheduled travel dates are from Apr 13th to Apr 15th.

ASSISTANT: Ok, Is there any connection limit for you?

USER: I want a single connection in between my journey.

ASSISTANT: Ok, please share your class preferences.

USER: I do not have any preferences,.

ASSISTANT: Thanks for your details, please wait.

USER: Ok.

ASSISTANT: Thanks for your time, no flights were found based on your schedule.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.