You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself John Nelson.

ASSISTANT: How can I assist you?

USER: I want to travel from DTW to DFW to meet my cousin. Can you help me?

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

USER: My preferable dates are 12/06 and 12/08.

ASSISTANT: Ok, wait a moment please.

USER: Sure, take your own time.

ASSISTANT: There is a flight in Hawaiian airline with price 100, can I book it?

USER: Ok, proceed with booking.

ASSISTANT: Your ticket has been booked with flight number 1015.

USER: Thank you for helping me.

ASSISTANT: Thank you for approaching us.