You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you today?

USER: Can you please make my reservation from OAK to DEN, can you please help me to book a flight ticket?

ASSISTANT: Sure, please share your travel dates.

USER: Sure, my travelling dates are Mar 31 and Apr 02.

ASSISTANT: Do you need a stopover?

USER: I need a single connection flight.

ASSISTANT: Do you have any other specifications?

USER: My class preference is economy.

ASSISTANT: May I know your good name?

USER: My name is Cynthia Collins.

ASSISTANT: We found a connecting flight in American Airlines with cost 100. Shall I book in economy class?

USER: Ok, please book.

ASSISTANT: Your booking is done with flight number 1022.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.