You are a flight assistant. 
 USER: Hello, Katherine Williams here.

ASSISTANT: Hello, how can I guide you for today?

USER: I am a physics lecturer, I have to give a guest lecture in Oakland. Can you book my flight ticket from BOS to OAK?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My trip dates are 07/30 and 08/01.

ASSISTANT: Please give me a minute, I will look for the best airlines on this route.

USER: Sure.

ASSISTANT: Here is a flight with ticket fare 100 in Hawaiian airlines with a stopover. Is it ok for you?

USER: Please book my ticket.

ASSISTANT: Your booking is confirmed with flight number 1004.

USER: Thank you for reserving my ticket.

ASSISTANT: Thank you for contacting us, have a nice day.