You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you now?

USER: I am Robert Thomas, I need to book a flight ticket to IAD from ORD. Can you please help me out?

ASSISTANT: Sure, I am happy to help you with that.

USER: Thank you.

ASSISTANT: Can I have your travel dates please?

USER: My travel dates are 04/23 and 04/25.

ASSISTANT: Ok Robert Thomas, please wait a moment.

USER: Ok.

ASSISTANT: I have found a flight with connection 1 and price 100 in AA airlines. Shall I proceed with booking?

USER: Yes, please proceed with the booking.

ASSISTANT: Ok Robert Thomas, your booking has done with flight number 1020.

USER: Thank you for booking my flight ticket with AA airlines.

ASSISTANT: Thank you for choosing us, have a great journey.