You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Donna Lewis. I would like to travel from MCO to IAD, could you help me out?

ASSISTANT: Sure, can I know your preferable dates.

USER: My preferable dates are from 04/03 to 04/05.

ASSISTANT: I found a flight from Delta airlines and flight number is 1007. Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for helping me out.

ASSISTANT: Thank you for reaching us.