You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Anthony Turner.

ASSISTANT: How can I assist you Mr. Anthony Turner?

USER: I want to meet my uncle at Washington-DC, can you please help me to book my flight ticket from BOS to IAD?

ASSISTANT: Ok, I will help you with that. May I know your travel dates to book?

USER: Sure, I will depart on 07/11 and return back on 07/13.

ASSISTANT: Sorry, there is no flight available on your route to book.

USER: Not an issue. Anyway, thank you for checking.

ASSISTANT: Thank you for choosing our agency.