You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Kimberly Hall here.

ASSISTANT: How may I assist you?

USER: I want to reserve my ticket from LGA to PHX, can you please help me in this?

ASSISTANT: Sure, I will help you. Can I have your travel dates please?

USER: Sure, my preferable dates of journey are from 03/04 to 03/06.

ASSISTANT: Please wait a moment, I will check the availability of flights.

USER: Sure. I will wait.

ASSISTANT: Hall, no flights has been found on your requested journey dates.

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

ASSISTANT: Thank you for approaching us.