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

ASSISTANT: Hello, how can I oblige you today?

USER: Can you help me to book a flight ticket from LGA to OAK?

ASSISTANT: When are you planning to start and return on?

USER: My trip dates are Apr, 8 and Apr, 10.

ASSISTANT: Do you need a class preferences?

USER: I am comfortable with any class.

ASSISTANT: Do you want to take a break with in your journey?

USER: Yes, I need a break.

ASSISTANT: How much can you afford in booking your flight ticket?

USER: I can afford up to 5000.

ASSISTANT: Thank you for your details, we found a economy class flight 1021 in Delta airline the price is 100. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.