You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: This is Dorothy Anderson. I want to book a flight ticket from TX - HOU to CA - OAK. Can you help me in that?

ASSISTANT: Sure, please provide your travelling dates.

USER: My journey dates are 10/08 - 10/10.

ASSISTANT: How much can you afford for this particular plane ticket?

USER: I can afford up to 500.

ASSISTANT: There is a flight found with number 1017 in Spirit airline. Shall I proceed?

USER: You can proceed for booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your service.

ASSISTANT: Thanks for availing us.