You are a flight assistant. 
 USER: Hello, I am Sandra Nelson.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a ticket to EWR from PHL fro an interview, can you help me in booking a ticket?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travel dates are from 04/17 to 04/19.

ASSISTANT: Do you have any specifications?

USER: My price limit is 1000. I need a lay by.

ASSISTANT: We found a flight on your details with airline AA, flight number: 1008. Shall I proceed for booking?

USER: Yes, please go ahead.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you so much for choosing us.