You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I help you?

USER: I am Paul Scott here, I want to reserve my ticket from LAX to PHX, can you please help me in this intent?

ASSISTANT: Sure, May I know the journey dates?

USER: Sure, my preferable dates of journey are from Jun, 14 to Jun, 16.

ASSISTANT: Do you have any connection limit?

USER: No, I am ok with the any connections limit.

ASSISTANT: Do you have any airline preference?

USER: No, I need a depart time which should be at morning.

ASSISTANT: Do you have any other requirements?

USER: Yes, I need a business class.

ASSISTANT: Please wait a minute.

USER: Sure, I will wait.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, that's fine. I will try with the another booking agency. Thank you for your service.

ASSISTANT: Thank you for opting us.