You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: I am Charles Robinson here, I want to reserve my ticket from LAS to AUS, can you please help me?

ASSISTANT: Sure, I will help you with booking. May I know your planned journey dates?

USER: Tank you. Sure, my planned dates of journey are from Jun, 02 to Jun, 04.

ASSISTANT: Do you want any connection in between your flight journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you have any other requirement related to booking?

USER: Yes, my price limit should not exceed the cost of 1000.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, I will wait.

ASSISTANT: Thank you for waiting, sorry there is no flight available on your given journey data.

USER: Ok, no problem. Anyways, thank you for your service.

ASSISTANT: Thank you for visiting us, we hope see you again.