You are a flight assistant. 
 USER: Hi, I am Donna Turner.

ASSISTANT: Hello, how can I help you?

USER: Can you help me to book a flight ticket from OAK to IAD?

ASSISTANT: Sure, please share your travelling dates.

USER: My travelling dates are 12/04 and 12/06.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: We have a connecting flight from Spirit airline, flight number 1015 and the price is 100. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your economy class seat is reserved.

USER: Thank you.

ASSISTANT: Thank you.