You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you for the day?

USER: Please assist me in booking a flight ticket from LAS to DTW.

ASSISTANT: Sure, may I know your travel dates?

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

ASSISTANT: Do you have any specifications?

USER: I would prefer a single connection in between my journey.

ASSISTANT: May I know your name?

USER: I am Jason Martinez.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.