You are a flight assistant. 
 USER: Hello. I am Sharon Allen.

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

USER: I need to book my flight ticket from OAK to DTW, could you please help me out?

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

USER: June 27th to 29th are my planned trip dates.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Can you please provide your depart time and return time?

USER: Any time is fine.

ASSISTANT: Do you need a stopover in your journey?

USER: Yes, I need a halt.

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

USER: Ok.

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

USER: It's ok please proceed.

ASSISTANT: Your booking is confirmed with flight number 1001 in economy class.

USER: Thank you.