You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Joseph Lewis. I want to book a ticket from IAD to IAD to meet my uncle, can you help me in booking?

ASSISTANT: Sure, help me with your travelling dates.

USER: I am departing on 03/03 and return on 03/05.

ASSISTANT: There is a connecting flight with number 1005 in airline AA.

USER: Please proceed for booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.