You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Myself Nichole Brown. I am going to attend my college reunion party at DFW, can you book a flight ticket on 09/09?

ASSISTANT: Sure, please provide me your origin.

USER: Sure, I will depart from BOS.

ASSISTANT: Let me know your return date please.

USER: I will back on 09/11.

ASSISTANT: Sorry, no flights with your requirement at this moment.

USER: Ok, not an issue. Thank you.