You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: My name is Jonathan Williams.

ASSISTANT: How can I assist you?

USER: I want to meet my boss on his birthday, can you please help me to book the flight ticket from DFW to OAK?

ASSISTANT: Sure Williams, can I know the travel dates please?

USER: I want to depart on 10/28 and return on 10/30.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: There is a flight in Hawaiian airline with price 200, can I book it?

USER: That's perfect! You can book the ticket.

ASSISTANT: Your ticket has been booked with flight number 1013.

USER: Thank you for your help.

ASSISTANT: You are welcome.