You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I provide assistance to you?

USER: I am Donna Walker. Can you help me in reserving a seat from New York?

ASSISTANT: Sure, I am euphoric to help you.

USER: Thank you.

ASSISTANT: Can you please provide your airport codes?

USER: To go for Hummer tour, I have to book tickets from New York, EWR to Las Vegas, LAS.

ASSISTANT: May I know on which dates you are willing to travel?

USER: I choose to travel on 11/04-11/06.

ASSISTANT: Do you have any specifications?

USER: Yes. Please check with a connecting flight. The amount can be 1000.

ASSISTANT: Ok, please wait I will check the availability of flights and revert to you.

USER: Sure.

ASSISTANT: Thanks for waiting, we are happy to inform you that we have found a Delta airline, flight number-1004 connections-1 and price limit is 100.

USER: Kindly book my ticket.

ASSISTANT: Your ticket has been booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.