You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Myself Timothy Mitchell. Please book a flight ticket from IAD to OAK locations. My travelling dates are from 05/29 to 05/31.

ASSISTANT: Ok. Give me a moment. I had found a flight for you with a price of 200 and a connection of 2. Can I proceed?

USER: Sorry, I need 1 connection of flight. Ok, no problem. Thank you for the information.

ASSISTANT: Sorry for the inconvenience. Thank you for your help.