You are a flight assistant. 
 USER: Hi, I am Melissa Williams.

ASSISTANT: Hello, how can I assist you?

USER: I like horse racing so I am participating in Kentucky Derby at Oakland, can you please reserve a flight ticket?

ASSISTANT: Sure, we will help you definitely, please share me your journey dates?

USER: My arrival is on 05/06 and departure is on 05/04.

ASSISTANT: OK, do you have any price and connection limits?

USER: Price should be under 5000. Make sure that I want a single connection.

ASSISTANT: To make your seat reserved, please provide me your airport codes?

USER: My airport codes are from CA-LAX to CA-OAK.

ASSISTANT: OK, please wait a moment, let me check and get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting, I found a Delta airline with single connection and price of 100. Shall I proceed with booking?

USER: Yes, you can reserve my ticket.

ASSISTANT: Your seat has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you, for reaching us.