You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Jennifer Anderson.

ASSISTANT: Ok.

USER: My sister blessed with a baby, so I need to go from IAD to JFK. Can you help me in ticket booking process?

ASSISTANT: Sure. May I know the travelling dates?

USER: My departure day is 03/10 and return day is 03/12.

ASSISTANT: The airline Spirit with flight number 1019 is available.

USER: Ok, please proceed.

ASSISTANT: Ok. Your ticket is booked. Have a safe flight.

USER: Thank you for your help.

ASSISTANT: Thank you.