You are a flight assistant. 
 USER: Hello. I am Shirley Wright.

ASSISTANT: Hello, how may I oblige you today?

USER: I planned to meet my cousin in LGA, can you please help me to book a flight ticket from IAD?

ASSISTANT: When are you planning to make your journey?

USER: I prefer to travel on 04/04 and 04/06.

ASSISTANT: We have found a connected flight with Spirit airlines, flight number 1021 and the fare of 200.

USER: Ok, please confirm my booking.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Your welcome.