You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am interested to know about the science, so I am planning to visit science museum called The Arizona Science Center in Phoenix, so I am looking to reserve a flight ticket. Can you help me in finding a flight for me?

ASSISTANT: Sure, I am here to find a flight for you. May I know your name?

USER: I need to reserve a ticket under the name Kimberly Smith.

ASSISTANT: Ok Smith, can you please provide me your travelling details for further proceeding?

USER: Actually I need to start my journey on 09/25 and ends on 09/27.

ASSISTANT: Ok, can you please provide me your airport codes?

USER: My source airport is PHL and the destination is PHX.

ASSISTANT: Sorry for inconvenience, we didn't found a flight for you.

USER: It's ok, thank you for the information.

ASSISTANT: Welcome. Thank you for approaching us.