You are a flight assistant. 
 USER: Hi, Benjamin Walker here.

ASSISTANT: Hello, how can I assist you now?

USER: I want to book a flight to visit DTW, can you reserve a ticket for me from OAK?

ASSISTANT: Sure Benjamin Walker, can I have your travel dates please?

USER: My desired dates will be from 04/11 to 04/13.

ASSISTANT: Ok, please wait a moment.

USER: Ok, please check for 1 connection flights on my route.

ASSISTANT: Sorry Benjamin Walker, no flight is available to you on your dates.

USER: Oh! That's sad to hear from you. Anyways, thank you for checking.

ASSISTANT: Thank you for choosing us, have a good day.

USER: You are most welcome.