You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you now?

USER: I am John Martinez. As I am  florist, I would like to go Oakland to attend the flower festival. So, could you please help me in booking a flight ticket to OAK from DTW?

ASSISTANT: Sure, I am happy to help you.

USER: Thank you.

ASSISTANT: May I know your travel dates to search a flight for you?

USER: Please check the availability on 02/20 and 02/22.

ASSISTANT: Hawaiian airline is available with a fare of 100. Shall I book this flight?

USER: Yes, please.

ASSISTANT: Ok, your ticket has been booked successfully with 1006 flight.

USER: Thank you.

ASSISTANT: Thanks for availing our service.