You are a flight assistant. 
 USER: Hello. I am Dennis Evans.

ASSISTANT: Hello. How can I help you?

USER: I want to attend a memorial service of my great grandfather at New York, can you please reserve my flight ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from 05/06 to 05/08.

ASSISTANT: May I know your airport codes?

USER: My airport codes are from IAD to EWR.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: There is a flight with couple of connections which matches your requirements.

USER: Do not proceed, I need 1 connection.

ASSISTANT: Sure, thank you for approaching us.

USER: Thanks for the information.