You are a flight assistant. 
 USER: Hello. My name is Alexander Martin.

ASSISTANT: Hello, how can I be a help for you?

USER: I want to travel from DCA to IAD. Could you help me in booking the ticket?

ASSISTANT: Ok, can you please provide me your travelling dates?

USER: The dates of travel are from 12/09 to 12/11.

ASSISTANT: Please wait for a moment. As per your request there is a flight 1029 of Delta airlines available for you. Shall I proceed to book it?

USER: Please book the ticket.

ASSISTANT: Your booking is confirmed. Thank you for approaching us.

USER: Thank you for your time.

ASSISTANT: Have a safe flight.