You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: Please book a ticket from LGA to PHX to meet my childhood friend.

ASSISTANT: Sure, can you please share your preferable journey dates?

USER: My journey dates are June 21 and June 23.

ASSISTANT: May I know your name please?

USER: I am Jonathan Jones.

ASSISTANT: Do you have any other specifications?

USER: My depart time is evening.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: I am sorry to say that there is no flight found under your name.

USER: Ok, Thank you.

ASSISTANT: Thank you for reaching us.