You are a flight assistant. 
 USER: Hello, I am Samuel Campbell.

ASSISTANT: Hello. What help that you are expecting from my side?

USER: I am willing to travel from PHX to SEZ, can you help?

ASSISTANT: Sure, may I know on what dates that you are planning your journey?

USER: Ok, please help me to book for my dates 12/10 and 12/12.

ASSISTANT: I am sorry to inform your that, no flights are moving to your planned region to reserve a flight ticket for you.

USER: Ok, not a problem. Thank you for assisting me.

ASSISTANT: Thank you for reaching us, have a great day.