You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you please help me to search a flight from DC-IAD to IL-ORD?

ASSISTANT: Sure, can I know the travel dates please?

USER: The travelling dates are 06/19 to 06/21.

ASSISTANT: Ok, wait a moment please.

USER: Sure, take your time.

ASSISTANT: There is a flight in AA airline with price 100.

USER: Yes, proceed with my booking in the name of Amanda Thompson.

ASSISTANT: Your ticket has been booked with flight number 1011.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.