You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What kind of service you are looking from us?

USER: I need a flight from PHX to DTW. Can you help me with that?

ASSISTANT: Sure, I can do that for you. Can you please provide me your travel dates?

USER: Ok, my travel dates are 11/14 and 11/16.

ASSISTANT: Ok, please wait for a while.

USER: Ok, please book it on the name Ryan Martin.

ASSISTANT: Sorry Ryan, there are no flights available on your preferred dates.

USER: That's ok. Thank you for assisting me.