You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jacob Lee here.

ASSISTANT: How may I lend a hand to?

USER: Can you please help me in booking a flight ticket from MCO to PHX?

ASSISTANT: Lee, I am willing to help you for this. When you are willing to boarding?

USER: Sure, I would like to travel in 08/01 and return back on 08/03.

ASSISTANT: Please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: Lee sorry to intimate, no flights are available with your criteria.

USER: Ok, no problem. I will reach another agency for booking.

ASSISTANT: Thank you Lee for utilizing our agency.

USER: Thank you for the information.