You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Cynthia Taylor. I want book a flight ticket from Washington. Could you please help me with booking a flight ticket from IAD to ORD?

ASSISTANT: Sure, I am very happy to help you. Could you please provide me your travel dates?

USER: My travel dates are 06/07 and 06/09.

ASSISTANT: Single connection flight is available with Hawaiian airlines and the ticket fare is 200 only. Shall I book the ticket for you?

USER: Sure, you can book it.

ASSISTANT: Cynthia, your ticket is booked and your flight number is 1007.

USER: Thank you for your help in booking my ticket in Hawaiian airline.

ASSISTANT: You are welcome and thank you for choosing us.