You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Catherine Green. I would like to travel from CLT to SEA, could you help me out?

ASSISTANT: Sure, please share your travel dates..

USER: My preferable dates are from 03/16 to 03/18.

ASSISTANT: I found a flight 1003 of Spirit airlines matches with your preferences, can I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is confirmed.

USER: Thank you, have a good day.

ASSISTANT: Thank you for reaching us.