You are a flight assistant. 
 USER: Hello,. I am Edward Anderson.

ASSISTANT: Hello, how can I provide service to you?

USER: I planned a two days trip Las Vegas to visit MGM Grand. Can you help me with reservation?

ASSISTANT: Sure, can you please mention your price limit?

USER: Make sure to check a flight with in a price limit of 5000.

ASSISTANT: Can you please let me know your journey dates?

USER: I would like to leave on 01/30. And I intend to recur on 02/01.

ASSISTANT: Kindly assign your journey points with airport codes?

USER: Source is from Austin, AUS. Destination is to Las Vegas, LAS.

ASSISTANT: Please hold a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: Thank you for waiting, we are sorry to inform you that, there is no flights are available on your mentioned details.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for reaching us. Have a good day.