You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Here Nicole Edwards. Can you please help me in flight ticket booking from DCA to LAS?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: I would like to move on 03/18 and back on 03/20.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: I found a flight 1016 in Delta airlines with a 1 halt in your journey, can I proceed with ticket booking?

USER: Yes, please proceed with booking.

ASSISTANT: Ok, the flight ticket booking is done.

USER: Thank you for your help in my flight ticket reservation.

ASSISTANT: You are most welcome.