You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: My name is Samantha Jackson, can you reserve a ticket from DTW to SFO?

ASSISTANT: May I know your preferred travel dates please?

USER: My preferred dates of trip are 02/28 and 03/01.

ASSISTANT: There is no flight on your desired travel dates.

USER: No problem, thank you so much.

ASSISTANT: Thank you for reaching us.