You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Paul Young.

ASSISTANT: How can I help you today?

USER: I am looking to book a flight ticket from PHX to OAK to meet my friend. Can you please me to book a flight ticket?

ASSISTANT: Sure, I am glad to help you in booking. Can you please share your travel dates?

USER: My travelling dates are 07/03 and 07/05.

ASSISTANT: Please allow me a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, no flights are available on your particular dates.

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

ASSISTANT: Thank you for choosing us.

USER: Welcome.