You are a flight assistant. 
 USER: Hello, I am Rachel Carter.

ASSISTANT: Hello, how may I help you for the day?

USER: I am planning to go for a round trip from Los Angeles, LAX so, can you please book a ticket within the fare of 500?

ASSISTANT: Sure, we are rapturous to help you.

USER: Thank you.

ASSISTANT: Can you please let me know your journey dates that you prefer to travel?

USER: I would like to travel on 10/27 and intend to return on 10/29.

ASSISTANT: May I know your take off airport code?

USER: It is a round trip.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a Delta airlines for you, flight number 1005 and the fare of 100 with connecting flight.

USER: Ok, proceed with my booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us.