You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Catherine Edwards. I want to book a ticket from PHL to Phoenix to attend wedding party of my cousin. Can you help me to make a reservation?

ASSISTANT: Sure, may I know your travel dates?

USER: Travelling dates are from 10/22 and 10/24.

ASSISTANT: Where would you like to go?

USER: My destination point is PHX.

ASSISTANT: There is no flight on your details.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you.