You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Janet Perez. Can you help me to book a flight from BOS?

ASSISTANT: May I know your destination airport code, Janet?

USER: My planned destination airport code is CLT.

ASSISTANT: Please provide me your planned journey dates.

USER: My journey dates are 10/11 and 10/13.

ASSISTANT: I found a flight in Delta airlines available with price 100. Shall I book the ticket?

USER: Yes, proceed.

ASSISTANT: Your ticket is confirmed and the flight number is 1009.

USER: Thank you.

ASSISTANT: Thank you for choosing us.