You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Betty Lee.

ASSISTANT: How can I assist you today?

USER: Please find me a flight from LAS to OAK, as I have a doctor appointment for me.

ASSISTANT: Ok, I will help you with finding a flight for you. On which dates do you like to travel?

USER: I am planning to travel on 04/19 and 04/21.

ASSISTANT: Ok, please give me a moment, I will inform you flight details.

USER: Sure.

ASSISTANT: Thank you for waiting. Delta airlines is providing a flight 1008 with connection 1. Can I proceed with booking?

USER: Yes, proceed.

ASSISTANT: Ok Lee, your ticket booking is done under your name.

USER: Thank you so much.

ASSISTANT: Thank you for choosing us. Have a safe journey.