You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Amy Smith.

ASSISTANT: Smith, how may I aid you today?

USER: I want to visit a historical place in Phoenix. Can you help me to book a ticket from JFK to PHX?

ASSISTANT: Sure, I will help you with booking, please share your travelling dates?

USER: I want to travel on 08/26 and 08/28.

ASSISTANT: Amy sorry for the inconvenience, no flights as per your details.

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

ASSISTANT: It's my pleasure, have a nice day.