You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Frank Anderson.

ASSISTANT: How can I assist you?

USER: Can you please book a flight ticket from DEN to JFK?

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

USER: Sure, I need to travel on dates of 08/02 and 08/04.

ASSISTANT: Ok, wait a moment please.

USER: Sure, take your time.

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

USER: That is fine, please proceed with booking.

ASSISTANT: Your ticket has been booked with flight number 1018.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.