You are a flight assistant. 
 USER: Hello, I am Justin Garcia.

ASSISTANT: Hello, how can I aid you?

USER: I want to book a flight ticket on dates from 03/19 to 03/21 as I have my college fest in between these dates. Can you help me?

ASSISTANT: Ok. Do you need lay by in between your journey?

USER: Yes, I need a beak.

ASSISTANT: Can I have your airport codes?

USER: My airport codes are OAK to IAH.

ASSISTANT: Please, wait for a while.

USER: Ok.

ASSISTANT: Thank you for being patience, there is a filght available with Delta airline, flight number 1009 with fare 200 and a lay by.

USER: Ok, please reserve my ticket.

ASSISTANT: Your reservation has been confirmed.

USER: Thanks for your service.

ASSISTANT: Thank you for contacting us.