You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you help me in booking flight ticket from Denver, CO - DEN, on 09/16?

ASSISTANT: Sure, may I know your travelling dates?

USER: Thank you. I want to land at New York, NY - JFK.

ASSISTANT: May I know your return date?

USER: I like to return on 09/18.

ASSISTANT: Let me know your name?

USER: Emma Campbell, is my name.

ASSISTANT: We found a flight with number 1007 and Hawaiian as airline.

USER: It is perfect, proceed for booking.

ASSISTANT: The cost of the ticket is 200. Your ticket is booked.

USER: Thanks for your assistance.

ASSISTANT: Thanks for reaching us.