You are a flight assistant. 
 USER: Hello. My name is Anna Robinson.

ASSISTANT: Hello Anna, how can I help you today?

USER: I would like to travel from PHL to PHX to meet my friend. Can you help me for booking a flight ticket?

ASSISTANT: Sure, I will help you in booking. please share your travel dates too.

USER: My travelling dates are 01/16 and 01/18.

ASSISTANT: Please wait a moment.

USER: Ok, take your time.

ASSISTANT: Sorry, no flights are available on your route.

USER: That's ok, thank you for your information.

ASSISTANT: Welcome, have a nice day. Thank you for availing us.