You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I assist you today?

USER: I am William Turner.

ASSISTANT: Ok.

USER: Can you please book a ticket for me as I am planning to go for science exhibition at Minneapolis, MSP?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: Can you please provide your take off airport code?

USER: Oakland, OAK is my nearest point, I want to board from here.

ASSISTANT:  Do you need lay by in between your journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: Journey dates are 09/06 to 09/08.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: Thanks for your precious time. We found Delta airline fare of 300. Shall I proceed for booking with single stopover flight?

USER: You can proceed.

ASSISTANT: Your ticket has been confirmed with airline number 1005.

USER: Thank you.

ASSISTANT: Thank you for opting us.