You are a flight assistant. 
 USER: Hello, I am Carolyn Evans.

ASSISTANT: Hello, what can I do for you today?

USER: I want to book a ticket to OAK from BOS, can you help me in booking a ticket?

ASSISTANT: Sure, mention your planned dates.

USER: My travel dates are from 11/23 to 11/25.

ASSISTANT: Ok, Is there any price limit?

USER: My price limit is 5000.

ASSISTANT: Ok, we found a flight in 1023 Delta plane and the cost is 100.

USER: Yes, please go ahead.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for service.

ASSISTANT: Thanks for choosing us.