You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Elizabeth Thompson.

ASSISTANT: How can I assist you?

USER: I want to travel from IAD to ORD. Can you help me to book a flight ticket?

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

USER: I want to fly in the flight on 02/07 and 02/09.

ASSISTANT: Ok, wait a moment please.

USER: Ok, take your own time.

ASSISTANT: There is a flight in UA airline with price 100, can I book it?

USER: Book the ticket for me.

ASSISTANT: Your ticket has been booked with flight number 1003.

USER: Thank you for helping me out.

ASSISTANT: Thank you for approaching us.