You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Myself Jennifer Mitchell. I want to book a flight on the route from LAS - SFO, can you help me with it?

ASSISTANT: Please share your desired travel dates?

USER: I will be taking off on 05/17, and I will be returning by 05/19.

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

USER: Ok, no issues. I will try to contact other flight booking agency for my booking.

ASSISTANT: Thank you for choosing us.

USER: Most welcome.