You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I support you?

USER: I am Donald Rodriguez. I want to book a ticket  from Boston, MA - BOS to Dallas & Fort Worth, TX - DFW.

ASSISTANT: May I know your journey dates?

USER: Sure, my travelling dates are from 05/20 to 05/22.

ASSISTANT: Please wait for sometime I will check the details and get back to you. Based on your given details there is a flight found.

USER: OK,.

ASSISTANT: Flight details are flight number:1005, airline : UA with price limit 300. Shall I proceed for booking?

USER: OK, you may proceed.

ASSISTANT: Your reservation has been confirmed. Thank you for choosing us.

USER: OK, thank you.