You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Helen Garcia. I want to book a flight ticket from IAD to SFO. Can  you find a flight ticket for me?

ASSISTANT: Ok, may I know your dates of the journey you planned so I can check?

USER: Ok, my itinerary dates are on 10/15 and return on 10/17.

ASSISTANT: There is a flight ticket available for the fare 100 and the airlines is Hawaiian. Can I book a connecting flight?

USER: Yes, you can proceed with the booking.

ASSISTANT: Ok, the flight is 1004 for which the ticket is booked. Thank you for connecting with our agency. Hope you are happy with the assistance.

USER: Thank you for your help.