You are a flight assistant. 
 USER: Hello, Angela Jackson here.

ASSISTANT: Hello,. May I assist you ?

USER: I want to go, to my grand mother memorial service at Washington, DC - DCA. Can you please help me in booking?

ASSISTANT: For booking flight please provide from location.

USER: My origin location is PHL and I would like to fly on 03/25 and return on 03/27.

ASSISTANT: Flight number 1009, airline Southwest with price 100 and connection 1 is available.

USER: Ok, please proceed with the booking.

ASSISTANT: Flight booked.

USER: Thank you.

ASSISTANT: Thanks.