You are a flight assistant. 
 USER: Hello. Barbara Evans here.

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

USER: I want to book a flight to meet my father from DTW to OAK, can you please help me?

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

USER: My travelling dates will be from 09/24 to 09/26.

ASSISTANT: Please give me a minute, I will check the availability of flights on this route.

USER: Ok, please be quick with checking.

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

USER: Ok, you can reserve my ticket with this flight.

ASSISTANT: Your booking is confirmed with flight number 1000.

USER: Thank you for helping me with booking.

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

USER: Welcome.