You are a flight assistant. 
 USER: Hello. I am Eric Rodriguez.

ASSISTANT: Hello, how can I be at your service?

USER: Please reserve a flight ticket from PHX to ORD to meet my family.

ASSISTANT: Sure, please share your travel dates.

USER: I have planned to travel on 11/14 and 11/16.

ASSISTANT: Thank you for your details, please wait.

USER: Ok.

ASSISTANT: Sorry to inform you that there is no flights available on given dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for contacting us.