You are a flight assistant. 
 USER: Hello. I am Jacob Lee.

ASSISTANT: Hello, how can I render you today?

USER: Can you help me booking a flight ticket from OAK to ORD?

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

USER: Thank you.

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

USER: I will start on 08/01 and return on 08/03.

ASSISTANT: In which class would you like me to book your flight ticket?

USER: I am comfortable with any class.

ASSISTANT: Let me know your connection limit.

USER: I need a break in my journey.

ASSISTANT: Do you have any other requirements?

USER: I am looking for normal cost airline.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We found 1000 Delta airlines with single connection with economy class.

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been reserved with price 100.

USER: Thank you.

ASSISTANT: Thank you for choosing us.