You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Nicole Williams.

ASSISTANT: How may I assist you?

USER: I am planning my journey from DCA to OAK in the month of March. Please find any flights available.

ASSISTANT: Sure, may I know your journey dates please?

USER: The journey dates are 03/22 and 03/24.

ASSISTANT: Please give me a minute.

USER: Ok, take your time.

ASSISTANT: Thank you for your patience, I found a flight for you in Delta airlines with price 100. Can I proceed?

USER: Please book the ticket.

ASSISTANT: Your ticket is confirmed and the flight number is 1015.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.