You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Carolyn Campbell, can you help me to book a flight from OAK to IAD?

ASSISTANT: Sure, on which dates you would like to have your journey?

USER: My travelling dates are 07/22 and 07/24.

ASSISTANT: Ok, there is a flight 1002 in Spirit airline matching your details with price 100. Shall I proceed?

USER: Sure, proceed with booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you.

ASSISTANT: You are welcome. Have a safe journey.