You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: My name is Robert Thomas.

ASSISTANT: Ok, how may I hep you today?

USER: I want to book a flight ticket from NV-LAS to TX-DFW to meet my first cousin in Dallas.

ASSISTANT: Ok, can you share your travelling dates please?

USER: My departure day is 04/23, return day is 04/25.

ASSISTANT: Ok, any other preferences?

USER: My price limit is 200.

ASSISTANT: Ok, flight: 1011, airline: Spirit, price: 100 with single connection. Shall I proceed?

USER: Yes, please.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thanks for booking a flight ticket.

ASSISTANT: Thank you for choosing us.