You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you?

USER: I am Donald Martin, can you help me searching flights from IAD to OAK?

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

USER: I ma going to start my journey on 02/16 and I am going to return on 02/18.

ASSISTANT: Thanks for waiting. I have found Delta airlines which flies with one connection.

USER: Proceed to booking.

ASSISTANT: Sure, your flight ticket has been confirmed now.

USER: Thank you for your services.

ASSISTANT: Thank you.