You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I have to meet my project manager at New York, can you please help me to book my flight ticket from DCA to LGA?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: Sure, I will depart on July 20 and return on July 22.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Sure.

ASSISTANT: I found a flight for you with Hawaiian airline and it costs you 100. Shall I proceed?

USER: Yes, you can proceed for booking the ticket.

ASSISTANT: On whose name you would like to book this ticket?

USER: Book the ticket in the name of Kevin Davis.

ASSISTANT: Your ticket has been booked with 1006 flight number Kevin.

USER: Thank you very much for your help.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.