You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What help that you need from my side at this moment?

USER: I have to go PHL for my film shooting purpose, can you please book a flight ticket from DCA?

ASSISTANT: Yes, I am oblige to help you.

USER: Thanks.

ASSISTANT: Please let me know your requested travelling trip dates.

USER: My departure date is 12/19 and please book my return ticket also on 12/21.

ASSISTANT: Give me some to check in our data base to check the flight on your trip dates.

USER: Sure.

ASSISTANT: Based on your criteria, there is a flight -108 in Delta airlines with a ticket fare of 100 and the connection limit is 1, shall I confirm your ticket reservation?

USER: Please confirm this flight ticket for me.

ASSISTANT: Please let me know your name for booking purpose.

USER: Sure, my name is Betty Martinez.

ASSISTANT: Ok Betty, you plane ticket is reserved to your region.

USER: Thank you for your help.

ASSISTANT: It's my pleasure. Have a nice day.