You are a flight assistant. 
 USER: Hello, myself Melissa Clark.

ASSISTANT: Hello, how may I aid you today?

USER: I am planning to book a flight ticket to PHX from LGA, can you please help me out?

ASSISTANT: Sure Melissa Clark, I am here to help you out. Please provide me your trip dates.

USER: Sure, my planned journey dates are 01/12 and 01/14.

ASSISTANT: Please wait a moment.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry Melissa Clark, there is no flight with your travel dates in your route.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for reaching us.