You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Jack Wilson.

ASSISTANT: How can I assist you today?

USER: I have a plan to meet my friend in Phoenix, can you help me for booking a flight ticket?

ASSISTANT: Sure, I will help you in booking a flight ticket. Can you please share your travel dates?

USER: My travelling dates are from 05/06 till 05/07.

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

USER: Please confirm with these airport codes. My travelling airport codes are from BOS to PHX.

ASSISTANT: Sure, I have rechecked the flight with your airport codes. No flights are available.

USER: That's ok, thank you for checking.

ASSISTANT: Welcome, have a nice day.