You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Stephanie Carter here. I am planning to visit National Gallery of Art with my friends in DCA. Can you book a ticket from LAX?

ASSISTANT:  Ok, please share with us, when you are looking for your journey?

USER: Yes, my travel dates are from 09/09 to 09/11.

ASSISTANT: According to your dates, there is a flight available with Delta airlines, shall I proceed your booking?

USER: Please book my ticket.

ASSISTANT: Your ticked is booked with flight number 1006.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.