You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Barbara Walker here.

ASSISTANT: How can I aid you today?

USER: Could you please help me in booking a ticket to Oakland?

ASSISTANT: I am happy to help you with that, may I know your trip dates?

USER: Sure, here are my departure and arrival travelling dates 01/18 and 01/20.

ASSISTANT: Can you please share your airport codes to proceed further?

USER: Ok, I would be happy to travel from DTW to OAK.

ASSISTANT: Please give me a minute. I found a flight for you with price 200, flight number is 1028 and connection 1.Shall I proceed the booking?

USER: Thank you, please book the ticket with it.

ASSISTANT: I confirmed your ticket successfully with AA airline.

USER: Thank you for the much needed help.

ASSISTANT: Thank you for contacting us, have a safe and great journey.