You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: Dorothy Smith here. I am looking a flight from IAD to BOS, can you help me?

ASSISTANT: Sure, I will help you in booking. May I know your travelling dates please?

USER: My travelling dates are 03 and 05 of May.

ASSISTANT: Please share me your specifications.

USER: I need a connecting flight.

ASSISTANT: We found a connecting flight with an airline UA of flight 1009 and cost is 100. Can I proceed with the booking?

USER: Ok, proceed with the booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for helping me.

ASSISTANT: Thank you for choosing us.