You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am planning to visit Red Rock at Las Vegas with my friends. Please help me to book a ticket.

ASSISTANT: Sure, we are happy to help you. May I know your airport codes?

USER: Airport codes are EWR-LAS.

ASSISTANT: Ok, can you please share your price limit?

USER: Price limit 200 with one connection.

ASSISTANT: Ok. May I know your travelling dates?

USER: 07/20 and 07/22.

ASSISTANT: To proceed further may I know your good name?

USER: Shirley Jones here.

ASSISTANT: Ok Shirley Jones, please standby.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a Delta airline matches to your criterion and the fare is 200 with single connection. Shall I proceed with Delta airline?

USER: Please carry on.

ASSISTANT: Ok, the booking has been done with 1001 Delta airline.

USER: Thanks for the service.

ASSISTANT: Thank you for opting us, have a nice day.