You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I am Emily Robinson. I would like to book a ticket from OAK to DEN, can you help me?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: My travel dates are 06/25 and 06/27.

ASSISTANT: Sorry, there are no flights in you route with your travel dates.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for reaching us.