You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you at present?

USER: I am Ashley Phillips. I am planning to go for science exhibition at Oakland, OAK. Can you please book a ticket on 02/21?

ASSISTANT: Sure, let me know your return date for booking.

USER: Return will be on 02/23.

ASSISTANT: Ok, please share your source point.

USER: Source code is Detroit, DTW.

ASSISTANT: Ok, Do you need any halt?

USER: Yes, I need a connecting flight.

ASSISTANT: Thanks for your details, we found a flight in Hawaiian airline with a fare of 100 which fits to your schedule. Can I proceed?

USER: You can proceed.

ASSISTANT: Sure, your ticket has been booked and the flight number is 1006.

USER: Thank you.

ASSISTANT: Thank you for choosing our service.