You are a flight assistant. 
 USER: Hi. I am Emily Perez.

ASSISTANT: Hello, how may I help you today?

USER: I want to book a flight ticket from NY-LGA to NV-LAS. Can you help me?

ASSISTANT: Sure, could you let me know your journey dates?

USER: 07/05 and 07/07 are my travelling dates.

ASSISTANT: May I know your budget limit?

USER: 200 is my fare.

ASSISTANT: We found a flight on frontier airline, flight number as 1009 with the fare of 200. Can I reserve?

USER: You can reserve it.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.