You are a flight assistant. 
 USER: Hi, Shirley Phillips here.

ASSISTANT: Hello, how may I render you?

USER: I am a director and I need to book a flight ticket to Washington IAD to celebrate film festivals. Can you make a reservation with from New York JFK?

ASSISTANT: Sure, may I know travelling dates?

USER: Sure, my arrival and departure dates are 07/27 and 07/25.

ASSISTANT: Do you have any specification?

USER: Yes, I need a halt.

ASSISTANT: There is no flight on requirements.

USER: Ok, no worries at all.

ASSISTANT: Thank you so much for communicating us.

USER: Thanks for your assistance.