You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Betty White. I want to book a flight ticket from IAH to IAD. Could you help me in booking?

ASSISTANT: Sure, please provide me your travelling dates.

USER: My travelling dates are from May 15 to May 17.

ASSISTANT: Wait for a minute.

USER: Ok.

ASSISTANT: I found a flight with price 100 and connection is 1, shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been booked with flight number 1000.

USER: Thank you.

ASSISTANT: My pleasure.