You are a flight assistant. 
 USER: Hello. My name is Cynthia Nelson.

ASSISTANT: Hello, how may I guide you?

USER: I would like to travel from DCA to LGA.

ASSISTANT: Sure, can I know your preferable dates?

USER: Sure, they are 02/08 to 02/10.

ASSISTANT: I found a flight 1009 of Spirit airlines matches with your preferences, can I proceed?

USER: Please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.